2020
Accounting for urinary dilution in peri-implantation samples: implications for creatinine adjustment and specimen pooling
Rosen Vollmar AK, Johnson CH, Weinberg CR, Deziel NC, Baird DD, Wilcox AJ, Jukic AMZ. Accounting for urinary dilution in peri-implantation samples: implications for creatinine adjustment and specimen pooling. Journal Of Exposure Science & Environmental Epidemiology 2020, 31: 356-365. PMID: 32424331, PMCID: PMC7671945, DOI: 10.1038/s41370-020-0227-1.Peer-Reviewed Original ResearchConceptsCreatinine adjustmentCreatinine concentrationUrinary dilutionUrinary estrogen metabolitesEffect of pregnancyUrinary creatinine concentrationCreatinine levelsWeeks' gestationEarly pregnancyCreatinine excretionEstrogen metabolitesCreatinine measuresUrine specimensPooled measureBiomarker measurementsPooled specimensEnvironmental exposuresExposure measuresLinear mixed modelsBiomonitoring resultsPregnancyT-testKappa coefficientMixed modelsPerson sample
1999
Reproducibility of plasma and urinary sex hormone levels in premenopausal women over a one-year period.
Michaud DS, Manson JE, Spiegelman D, Barbieri RL, Sepkovic DW, Bradlow HL, Hankinson SE. Reproducibility of plasma and urinary sex hormone levels in premenopausal women over a one-year period. Cancer Epidemiology Biomarkers & Prevention 1999, 8: 1059-64. PMID: 10613337.Peer-Reviewed Original ResearchConceptsPremenopausal womenIntraclass correlation coefficientLuteal phaseHormone levelsBlood samplesEndogenous sex steroid hormonesUrinary sex hormone levelsUrinary sex hormonesUrinary estrogen metabolitesSex hormone levelsSex steroid hormonesSets of bloodSingle blood sampleHigh intraclass correlation coefficientsLuteal phase samplesPlasma estrogenMenstrual cycleSex hormonesPlasma estradiolBreast cancerEstrogen metabolitesEstrone sulfateUrinary 2One-year periodSteroid hormones
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