2004
Factors influencing serum cystatin C levels other than renal function and the impact on renal function measurement
Knight EL, Verhave JC, Spiegelman D, Hillege HL, De Zeeuw D, Curhan GC, De Jong PE. Factors influencing serum cystatin C levels other than renal function and the impact on renal function measurement. Kidney International 2004, 65: 1416-1421. PMID: 15086483, DOI: 10.1111/j.1523-1755.2004.00517.x.Peer-Reviewed Original ResearchConceptsSerum cystatin C levelsCystatin C levelsSerum creatinine levelsSerum cystatin CRenal functionCreatinine levelsCreatinine clearanceCystatin CSerum creatininePartial Spearman correlationsC levelsCigarette smokingHigh serum C-reactive protein levelsHigher serum cystatin C levelsSerum C-reactive protein levelsC-reactive protein levelsSerum CRP levelsCurrent cigarette smokingRenal function measurementsSpearman correlationCross-sectional studyYears of ageCRP levelsMultivariate linear regression modelMale gender
2003
The impact of protein intake on renal function decline in women with normal renal function or mild renal insufficiency.
Knight EL, Stampfer MJ, Hankinson SE, Spiegelman D, Curhan GC. The impact of protein intake on renal function decline in women with normal renal function or mild renal insufficiency. Annals Of Internal Medicine 2003, 138: 460-7. PMID: 12639078, DOI: 10.7326/0003-4819-138-6-200303180-00009.Peer-Reviewed Original ResearchConceptsGlomerular filtration rateMild renal insufficiencyNormal renal functionRenal function declineNurses' Health StudyRenal insufficiencyRenal functionFunction declineHigh protein intakeProtein intakeNondairy animal proteinHealth StudyHigh intakeSemi-quantitative food frequency questionnaireHigher total protein intakeML/minProspective cohort studyRenal function changesSevere renal insufficiencyFood frequency questionnaireMultivariate linear regression analysisTotal protein intakeBorderline statistical significancePercent of womenLow protein intake