2023
Risk prediction models for endometrial cancer: development and validation in an international consortium
Shi J, Kraft P, Rosner B, Benavente Y, Black A, Brinton L, Chen C, Clarke M, Cook L, Costas L, Dal Maso L, Freudenheim J, Frias-Gomez J, Friedenreich C, Garcia-Closas M, Goodman M, Johnson L, La Vecchia C, Levi F, Lissowska J, Lu L, McCann S, Moysich K, Negri E, O'Connell K, Parazzini F, Petruzella S, Polesel J, Ponte J, Rebbeck T, Reynolds P, Ricceri F, Risch H, Sacerdote C, Setiawan V, Shu X, Spurdle A, Trabert B, Webb P, Wentzensen N, Wilkens L, Xu W, Yang H, Yu H, Du M, De Vivo I. Risk prediction models for endometrial cancer: development and validation in an international consortium. Journal Of The National Cancer Institute 2023, 115: 552-559. PMID: 36688725, PMCID: PMC10165481, DOI: 10.1093/jnci/djad014.Peer-Reviewed Original ResearchConceptsNurses' Health StudyRisk prediction modelNHS IIEndometrial cancerHealth StudyGenetic factorsEndometrial cancer incidence ratesOvarian Cancer Screening TrialCancer risk prediction modelsEndometrial Cancer ConsortiumPostmenopausal white womenCancer Screening TrialCancer risk stratificationCase-control studyRisk factor distributionCancer incidence ratesRelative risk estimatesEpidemiologic modelHeterogeneous study populationsPublic health practiceProphylactic hysterectomyRisk stratificationEpidemiologic factorsIncidence rateSelect cohort
2022
Oral Cyanobacteria and hepatocellular carcinoma
Hernandez BY, Zhu X, Risch HA, Lu L, Ma X, Irwin ML, Lim JK, Taddei TH, Pawlish KS, Stroup AM, Brown R, Wang Z, Wong LL, Yu H. Oral Cyanobacteria and hepatocellular carcinoma. Cancer Epidemiology Biomarkers & Prevention 2022, 31: cebp.epi-21-0804-a.2021. PMID: 34697061, PMCID: PMC8755591, DOI: 10.1158/1055-9965.epi-21-0804.Peer-Reviewed Original ResearchConceptsHepatitis B virusHepatitis C virusHepatocellular carcinomaRisk factorsLiver diseaseHCC casesOral microbiomeU.S. case-control studyIndependent risk factorChronic liver diseaseFatty liver diseaseHCC risk factorsGut microbial alterationsType 2 diabetesCase-control studyLiver cancer developmentNSAID useAspirin useC virusB virusHCC riskNegative historyOral samplesSignificant associationCancer development
2021
Genetic susceptibility to hepatocellular carcinoma in chromosome 22q13.31, findings of a genome‐wide association study
Wang Z, Budhu AS, Shen Y, Wong LL, Hernandez BY, Tiirikainen M, Ma X, Irwin ML, Lu L, Zhao H, Lim JK, Taddei T, Mishra L, Pawlish K, Stroup A, Brown R, Nguyen MH, Koshiol J, Hernandez MO, Forgues M, Yang H, Lee M, Huang Y, Iwasaki M, Goto A, Suzuki S, Matsuda K, Tanikawa C, Kamatani Y, Mann D, Guarnera M, Shetty K, Thomas CE, Yuan J, Khor CC, Koh W, Risch H, Wang XW, Yu H. Genetic susceptibility to hepatocellular carcinoma in chromosome 22q13.31, findings of a genome‐wide association study. JGH Open 2021, 5: 1363-1372. PMID: 34950780, PMCID: PMC8674550, DOI: 10.1002/jgh3.12682.Peer-Reviewed Original ResearchNonalcoholic fatty liver diseaseCase-control studyHepatocellular carcinomaSingle nucleotide polymorphismsChronic hepatitis C virus (HCV) infectionHepatitis C virus infectionGenetic susceptibilityC virus infectionLong-term alcohol useFatty liver diseaseUS case-control studyBody mass indexMajor risk factorGenome-wide association studiesHCV infectionCohort studyLiver diseaseCigarette smokingMass indexRisk factorsHCC casesVirus infectionGene-environment interactionsUS populationDisease risk
2020
Pregnancy outcomes and risk of endometrial cancer: A pooled analysis of individual participant data in the Epidemiology of Endometrial Cancer Consortium
Jordan SJ, Na R, Weiderpass E, Adami H, Anderson KE, van den Brandt P, Brinton LA, Chen C, Cook LS, Doherty JA, Du M, Friedenreich CM, Gierach GL, Goodman MT, Krogh V, Levi F, Lu L, Miller AB, McCann SE, Moysich KB, Negri E, Olson SH, Petruzella S, Palmer JR, Parazzini F, Pike MC, Prizment AE, Rebbeck TR, Reynolds P, Ricceri F, Risch HA, Rohan TE, Sacerdote C, Schouten LJ, Serraino D, Setiawan VW, Shu X, Sponholtz TR, Spurdle AB, Stolzenberg‐Solomon R, Trabert B, Wentzensen N, Wilkens LR, Wise LA, Yu H, La Vecchia C, De Vivo I, Xu W, Zeleniuch‐Jacquotte A, Webb PM. Pregnancy outcomes and risk of endometrial cancer: A pooled analysis of individual participant data in the Epidemiology of Endometrial Cancer Consortium. International Journal Of Cancer 2020, 148: 2068-2078. PMID: 33105052, PMCID: PMC7969437, DOI: 10.1002/ijc.33360.Peer-Reviewed Original ResearchConceptsEndometrial cancer riskFull-term pregnancyLast full-term pregnancyEndometrial Cancer ConsortiumCancer riskEndometrial cancerIndividual participant dataIncomplete pregnanciesPooled analysisAdditional pregnanciesOdds ratioCancer ConsortiumFirst full-term pregnancyParticipant dataPregnancy-related factorsPooled odds ratioCase-control studyHigh progesterone levelsRisk reductionLast pregnancyPregnancy outcomesSingleton pregnanciesControl womenLast trimesterProgesterone levelsRisk factors for hepatocellular carcinoma (HCC) in the northeast of the United States: results of a case–control study
Shen Y, Risch H, Lu L, Ma X, Irwin ML, Lim JK, Taddei T, Pawlish K, Stroup A, Brown R, Wang Z, Jia W, Wong L, Mayne ST, Yu H. Risk factors for hepatocellular carcinoma (HCC) in the northeast of the United States: results of a case–control study. Cancer Causes & Control 2020, 31: 321-332. PMID: 32060838, PMCID: PMC7136513, DOI: 10.1007/s10552-020-01277-1.Peer-Reviewed Original ResearchConceptsRisk of HCCCase-control studyHepatocellular carcinomaRisk factorsHCV infectionHCC riskOdds ratioHepatitis C virus antibodyUnconditional logistic regression modelsElevated HCC riskRapid case ascertainmentC virus antibodyHeavy alcohol intakeConfidence intervalsFamily cancer historyImportant risk factorRandom digit dialingLow socioeconomic statusUnhealthy lifestyle choicesLower household incomeLogistic regression modelsNSAID useAlcohol intakeCigarette smokingHigher BMI
2019
Use of aspirin, other nonsteroidal anti-inflammatory drugs and acetaminophen and risk of endometrial cancer: the Epidemiology of Endometrial Cancer Consortium
Webb PM, Na R, Weiderpass E, Adami HO, Anderson KE, Bertrand KA, Botteri E, Brasky TM, Brinton LA, Chen C, Doherty JA, Lu L, McCann SE, Moysich KB, Olson S, Petruzella S, Palmer JR, Prizment AE, Schairer C, Setiawan VW, Spurdle AB, Trabert B, Wentzensen N, Wilkens L, Yang HP, Yu H, Risch HA, Jordan SJ. Use of aspirin, other nonsteroidal anti-inflammatory drugs and acetaminophen and risk of endometrial cancer: the Epidemiology of Endometrial Cancer Consortium. Annals Of Oncology 2019, 30: 310-316. PMID: 30566587, PMCID: PMC6386026, DOI: 10.1093/annonc/mdy541.Peer-Reviewed Original ResearchConceptsNon-aspirin nonsteroidal anti-inflammatory drugsNonsteroidal anti-inflammatory drugsEndometrial Cancer ConsortiumEndometrial cancerAnti-inflammatory drugsObese womenOdds ratioCancer ConsortiumStudy-specific odds ratiosLogistic regressionStandard-dose aspirinUse of aspirinUse of acetaminophenConfidence intervalsTimes/weekCase-control studyRisk of cancerMixed-effects logistic regressionLow-dose formulationsLeast weekly useNormal weightPooled analysisInverse associationStratified analysisReduced risk
2017
Breastfeeding and Endometrial Cancer Risk
Jordan SJ, Na R, Johnatty SE, Wise LA, Adami HO, Brinton LA, Chen C, Cook LS, Dal Maso L, De Vivo I, Freudenheim JL, Friedenreich CM, La Vecchia C, McCann SE, Moysich KB, Lu L, Olson SH, Palmer JR, Petruzella S, Pike MC, Rebbeck TR, Ricceri F, Risch HA, Sacerdote C, Setiawan VW, Sponholtz TR, Shu XO, Spurdle AB, Weiderpass E, Wentzensen N, Yang HP, Yu H, Webb PM. Breastfeeding and Endometrial Cancer Risk. Obstetrics And Gynecology 2017, 129: 1059-1067. PMID: 28486362, PMCID: PMC5473170, DOI: 10.1097/aog.0000000000002057.Peer-Reviewed Original ResearchConceptsEndometrial cancer riskEndometrial cancerCancer riskOdds ratioStudy-specific odds ratiosEndometrial Cancer ConsortiumBody mass indexMultivariable logistic regressionConfidence intervalsCase-control studyMaternal benefitsNulliparous womenHistologic subtypeMass indexCommon cancerLower riskStudy heterogeneityCancer ConsortiumControl groupCancerLogistic regressionAverage durationLonger average durationWomenBreastfeeding
2015
Vitamin D and pancreatic cancer: a pooled analysis from the Pancreatic Cancer Case–Control Consortium
Waterhouse M, Risch HA, Bosetti C, Anderson KE, Petersen GM, Bamlet WR, Cotterchio M, Cleary SP, Ibiebele TI, La Vecchia C, Skinner HG, Strayer L, Bracci PM, Maisonneuve P, Bueno-de-Mesquita HB, Zaton Ski W, Lu L, Yu H, Janik-Koncewicz K, Polesel J, Serraino D, Neale RE. Vitamin D and pancreatic cancer: a pooled analysis from the Pancreatic Cancer Case–Control Consortium. Annals Of Oncology 2015, 26: 1776-1783. PMID: 25977560, PMCID: PMC4511221, DOI: 10.1093/annonc/mdv236.Peer-Reviewed Original ResearchConceptsVitamin D intakeDietary vitamin D intakePancreatic Cancer Case-Control ConsortiumPancreatic cancerD intakeVitamin DOdds ratioInternational Pancreatic Cancer Case-Control ConsortiumStudy-specific odds ratiosTotal vitamin D intakeMultivariable logistic regressionCase-control studyPancreatic cancer riskRandom-effects modelEstimates of associationDietary intakeCancer riskLogistic regressionCancerIntakeAdditional studiesPotential roleAssociationRiskNegative associationInfertility and incident endometrial cancer risk: a pooled analysis from the epidemiology of endometrial cancer consortium (E2C2)
Yang HP, Cook LS, Weiderpass E, Adami HO, Anderson KE, Cai H, Cerhan JR, Clendenen TV, Felix AS, Friedenreich CM, Garcia-Closas M, Goodman MT, Liang X, Lissowska J, Lu L, Magliocco AM, McCann SE, Moysich KB, Olson SH, Petruzella S, Pike MC, Polidoro S, Ricceri F, Risch HA, Sacerdote C, Setiawan VW, Shu XO, Spurdle AB, Trabert B, Webb PM, Wentzensen N, Xiang YB, Xu Y, Yu H, Zeleniuch-Jacquotte A, Brinton LA. Infertility and incident endometrial cancer risk: a pooled analysis from the epidemiology of endometrial cancer consortium (E2C2). British Journal Of Cancer 2015, 112: 925-933. PMID: 25688738, PMCID: PMC4453954, DOI: 10.1038/bjc.2015.24.Peer-Reviewed Original ResearchConceptsEndometrial cancer riskCancer riskInfertility causesOdds ratioElevated endometrial cancer riskEndometrial cancer risk factorsEndometrial Cancer ConsortiumSelf-reported infertilityAdjusted odds ratioCancer risk factorsConfidence intervalsCase-control studyStudy-specific definitionsParous womenEndometrial cancerNulliparous womenPooled analysisNational registryRisk factorsCancer ConsortiumInfertilityNulliparityInfertility concernsInfertility dataLarger study
2014
Intrauterine devices and endometrial cancer risk: A pooled analysis of the Epidemiology of Endometrial Cancer Consortium
Felix AS, Gaudet MM, La Vecchia C, Nagle CM, Shu XO, Weiderpass E, Adami HO, Beresford S, Bernstein L, Chen C, Cook LS, De Vivo I, Doherty JA, Friedenreich CM, Gapstur SM, Hill D, Horn‐Ross P, Lacey JV, Levi F, Liang X, Lu L, Magliocco A, McCann SE, Negri E, Olson SH, Palmer JR, Patel AV, Petruzella S, Prescott J, Risch HA, Rosenberg L, Sherman ME, Spurdle AB, Webb PM, Wise LA, Xiang Y, Xu W, Yang HP, Yu H, Zeleniuch‐Jacquotte A, Brinton LA. Intrauterine devices and endometrial cancer risk: A pooled analysis of the Epidemiology of Endometrial Cancer Consortium. International Journal Of Cancer 2014, 136: e410-e422. PMID: 25242594, PMCID: PMC4267918, DOI: 10.1002/ijc.29229.Peer-Reviewed Original ResearchConceptsEndometrial Cancer ConsortiumEndometrial cancer riskIntrauterine deviceEC riskPooled analysisCancer riskLast useCancer ConsortiumOlder ageUse of IUDsMultivariable logistic regressionConfidence intervalsPooled odds ratioCase-control studyInert intrauterine deviceDuration of useHeavy bleedingOdds ratioReversible contraceptivesHormonal changesEC casesReduced riskBiologic effectsUterine environmentLogistic regressionCase–Control Study of Aspirin Use and Risk of Pancreatic Cancer
Streicher SA, Yu H, Lu L, Kidd MS, Risch HA. Case–Control Study of Aspirin Use and Risk of Pancreatic Cancer. Cancer Epidemiology Biomarkers & Prevention 2014, 23: 1254-1263. PMID: 24969230, PMCID: PMC4091763, DOI: 10.1158/1055-9965.epi-13-1284.Peer-Reviewed Original ResearchConceptsAspirin usePancreatic cancerLong-term aspirin useLow-dose aspirinCase-control studyCalendar time periodTime of interviewRisk-benefit analysisAspirin regimenCardiovascular diseaseReduced riskYear of interviewPossible associationCancerConnecticut StudyRegular useAspirinRiskCase frequencySignificant relationshipYearsRegimenComplicationsPrognosisMortalityHelicobacter pylori Seropositivities and Risk of Pancreatic Carcinoma
Risch HA, Lu L, Kidd MS, Wang J, Zhang W, Ni Q, Gao YT, Yu H. Helicobacter pylori Seropositivities and Risk of Pancreatic Carcinoma. Cancer Epidemiology Biomarkers & Prevention 2014, 23: 172-178. PMID: 24234587, PMCID: PMC3947155, DOI: 10.1158/1055-9965.epi-13-0447.Peer-Reviewed Original ResearchConceptsCagA-positive strainsPancreatic cancerPancreatic carcinomaCagA seropositivityPylori seropositivityPylori colonizationGastric acidityH. pyloriLarge population-based case-control studyPopulation-based case-control studyPancreas cancer riskParticular cancer siteVirulence protein CagAHelicobacter pylori seropositivityH. pylori seropositivityBody mass indexH. pylori colonizationCase-control studyHelicobacter pylori colonizationH. pylori CagAStrain typesPathophysiologic actionsVenipuncture specimensAntibody seropositivityCase patients
2013
Type I and II Endometrial Cancers: Have They Different Risk Factors?
Setiawan VW, Yang HP, Pike MC, McCann SE, Yu H, Xiang YB, Wolk A, Wentzensen N, Weiss NS, Webb PM, van den Brandt PA, van de Vijver K, Thompson PJ, Group T, Strom BL, Spurdle AB, Soslow RA, Shu XO, Schairer C, Sacerdote C, Rohan TE, Robien K, Risch HA, Ricceri F, Rebbeck TR, Rastogi R, Prescott J, Polidoro S, Park Y, Olson SH, Moysich KB, Miller AB, McCullough ML, Matsuno RK, Magliocco AM, Lurie G, Lu L, Lissowska J, Liang X, Lacey JV, Kolonel LN, Henderson BE, Hankinson SE, Håkansson N, Goodman MT, Gaudet MM, Garcia-Closas M, Friedenreich CM, Freudenheim JL, Doherty J, De Vivo I, Courneya KS, Cook LS, Chen C, Cerhan JR, Cai H, Brinton LA, Bernstein L, Anderson KE, Anton-Culver H, Schouten LJ, Horn-Ross PL. Type I and II Endometrial Cancers: Have They Different Risk Factors? Journal Of Clinical Oncology 2013, 31: 2607-2618. PMID: 23733771, PMCID: PMC3699726, DOI: 10.1200/jco.2012.48.2596.Peer-Reviewed Original ResearchMeSH KeywordsAdenocarcinomaAdultAge FactorsAgedBiopsy, NeedleCarcinoma, EndometrioidCase-Control StudiesCohort StudiesConfidence IntervalsContraceptives, OralDatabases, FactualDiabetes MellitusDisease-Free SurvivalEndometrial NeoplasmsFemaleHumansImmunohistochemistryMiddle AgedNeoplasm InvasivenessNeoplasm StagingObesityOdds RatioRisk FactorsSensitivity and SpecificitySmokingSurvival AnalysisConceptsType II tumorsII tumorsRisk factorsEndometrial cancerOdds ratioHigh-grade endometrioid tumorsEndometrial cancer risk factorsType IEndometrial Cancer ConsortiumEndometrial cancer typesType I tumorsEndometrial cancer casesOral contraceptive useRisk factor patternsBody mass indexCancer risk factorsCommon etiologic factorCase-control studyDifferent risk factorsEndometrioid tumorsI tumorsMass indexCigarette smokingPooled analysisEtiologic factors
2012
Omega-3 and omega-6 fatty acid intakes and endometrial cancer risk in a population-based case–control study
Arem H, Neuhouser ML, Irwin ML, Cartmel B, Lu L, Risch H, Mayne ST, Yu H. Omega-3 and omega-6 fatty acid intakes and endometrial cancer risk in a population-based case–control study. European Journal Of Nutrition 2012, 52: 1251-1260. PMID: 22915050, PMCID: PMC3548981, DOI: 10.1007/s00394-012-0436-z.Peer-Reviewed Original ResearchConceptsEndometrial cancer riskFatty acid intakeCancer riskEndometrial cancerAcid intakeDietary intakePopulation-based case-control studyFish oil supplement useUnconditional logistic regression methodsLong-chain omega-3 fatty acidsOmega-3 fatty acidsIncident cancer casesCase-control studyAge-matched controlsFatty acidsPopulation-based sampleTotal fish intakeSupplement useFish intakeExtreme quartilesProtective associationCancer casesHigh intakeReduced riskFatty acids EPAAge at Last Birth in Relation to Risk of Endometrial Cancer: Pooled Analysis in the Epidemiology of Endometrial Cancer Consortium
Setiawan VW, Pike MC, Karageorgi S, Deming SL, Anderson K, Bernstein L, Brinton LA, Cai H, Cerhan JR, Cozen W, Chen C, Doherty J, Freudenheim JL, Goodman MT, Hankinson SE, Lacey JV, Liang X, Lissowska J, Lu L, Lurie G, Mack T, Matsuno RK, McCann S, Moysich KB, Olson SH, Rastogi R, Rebbeck TR, Risch H, Robien K, Schairer C, Shu XO, Spurdle AB, Strom BL, Thompson PJ, Ursin G, Webb PM, Weiss NS, Wentzensen N, Xiang YB, Yang HP, Yu H, Horn-Ross PL, De Vivo I, Group T. Age at Last Birth in Relation to Risk of Endometrial Cancer: Pooled Analysis in the Epidemiology of Endometrial Cancer Consortium. American Journal Of Epidemiology 2012, 176: 269-278. PMID: 22831825, PMCID: PMC3491967, DOI: 10.1093/aje/kws129.Peer-Reviewed Original ResearchConceptsEndometrial Cancer ConsortiumEndometrial cancerLast birthCancer ConsortiumLarge pooled analysisTumor histologic subtypeEndometrial cancer riskExogenous hormone useBody mass indexPooled odds ratioCase-control studyYears of ageHormone useHistologic subtypeMass indexPooled analysisRisk factorsEffect modificationOdds ratioDiagnosis groupsProtective associationCancer riskLower riskNumber of birthsOlder age
2011
Long‐term overweight and weight gain in early adulthood in association with risk of endometrial cancer
Lu L, Risch H, Irwin ML, Mayne ST, Cartmel B, Schwartz P, Rutherford T, Yu H. Long‐term overweight and weight gain in early adulthood in association with risk of endometrial cancer. International Journal Of Cancer 2011, 129: 1237-1243. PMID: 21387312, PMCID: PMC3125463, DOI: 10.1002/ijc.26046.Peer-Reviewed Original ResearchConceptsBody mass indexLong-term overweightEndometrial cancerSubstantial weight gainWeight gainBody weightPopulation-based case-control studyHigher body mass indexEndometrial cancer riskWeight changeDisease 10 yearsEarly adulthoodUnconditional logistic regressionAdult lifeCase-control studyTime of interviewSuch weight changesMass indexNormal weightIncident casesRisk factorsOdds ratioLong-term effectsAge 40Cancer risk
2010
Physical activity and endometrial cancer in a population-based case–control study
Arem H, Irwin ML, Zhou Y, Lu L, Risch H, Yu H. Physical activity and endometrial cancer in a population-based case–control study. Cancer Causes & Control 2010, 22: 219-226. PMID: 21110224, PMCID: PMC3075067, DOI: 10.1007/s10552-010-9689-0.Peer-Reviewed Original ResearchConceptsEndometrial cancer riskLower endometrial cancer riskMET h/wkPhysical activityCancer riskEndometrial cancerRisk factorsPopulation-based case-control studyInterview-administered questionnaireMetabolic equivalent hoursPhysical Activity QuestionnaireUnconditional logistic regressionRecreational physical activityCase-control studyAge-matched controlsPhysical activity dataIncident casesActivity QuestionnaireIndependent associationConclusionOur dataLifestyle informationBMILogistic regressionReference groupCancerA KRAS-Variant in Ovarian Cancer Acts as a Genetic Marker of Cancer Risk
Ratner E, Lu L, Boeke M, Barnett R, Nallur S, Chin LJ, Pelletier C, Blitzblau R, Tassi R, Paranjape T, Hui P, Godwin AK, Yu H, Risch H, Rutherford T, Schwartz P, Santin A, Matloff E, Zelterman D, Slack FJ, Weidhaas JB. A KRAS-Variant in Ovarian Cancer Acts as a Genetic Marker of Cancer Risk. Cancer Research 2010, 70: 6509-6515. PMID: 20647319, PMCID: PMC2923587, DOI: 10.1158/0008-5472.can-10-0689.Peer-Reviewed Original ResearchConceptsOvarian cancerKRAS-variantOC patientsCancer riskRisk of OCIndependent case-control analysesCase-control studyOvarian cancer syndromeCase-control analysisFamily membersAdvanced diseaseWomen's cancersRisk factorsBRCA2 mutationsHBOC patientsOC casesIndependent cohortHBOC familiesHereditary breastSolid tumorsCancer syndromesKRAS oncogeneVariant allelesPatientsCancerABO Blood Group, Helicobacter pylori Seropositivity, and Risk of Pancreatic Cancer: A Case–Control Study
Risch HA, Yu H, Lu L, Kidd MS. ABO Blood Group, Helicobacter pylori Seropositivity, and Risk of Pancreatic Cancer: A Case–Control Study. Journal Of The National Cancer Institute 2010, 102: 502-505. PMID: 20181960, PMCID: PMC2902822, DOI: 10.1093/jnci/djq007.Peer-Reviewed Original ResearchMeSH KeywordsABO Blood-Group SystemAdultAgedAged, 80 and overAntibodies, BacterialAntigens, BacterialBacterial ProteinsCase-Control StudiesConfounding Factors, EpidemiologicConnecticutEnzyme-Linked Immunosorbent AssayFemaleHelicobacter InfectionsHelicobacter pyloriHumansIncidenceMaleMiddle AgedOdds RatioPancreatic NeoplasmsConceptsNon-O blood typeH pylori seropositivityCase-control studyPancreatic cancerPylori seropositivityABO blood groupEnzyme-linked immunosorbent assayBlood typeBlood groupPopulation-based case-control studyNon-O blood groupControl subjects frequencyH pylori colonizationVirulence protein CagAHelicobacter pylori seropositivityPancreatic cancer riskO blood typeRandom digit dialingCagA seropositivityCase patientsH pyloriControl subjectsRisk factorsPylori colonizationCancer risk