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Table 3 Results of multiple linear regression of biomarker determinants on the percent difference in eGFR

From: Prevalence and determinants of differences in cystatin C and creatinine-based estimated glomerular filtration rate in community-dwelling older adults: a cross-sectional study

Biomarker determinants

Unstandardized β coefficient

95% Confidence Interval

Hypothyroid

0.16

-3.03, 3.35

Hyperthyroid

-0.79

-5.02, 3.44

Current smoker

-9.88

-12.1, -7.71

Former smoker

-0.29

-1.99, 1.41

Sex

1.36

-0.21, 2.93

Treated for hypertension

0.56

-1.17, 2.29

Diabetes

-0.97

-2.95, 2.76

Glucocorticoid use

-8.78

-12.9, -4.69

Age (years)

-0.76

-0.87, -0.66

BMI (kg/m2)

-0.25

-0.42, -0.07

CRP (mg/L)

-0.29

-0.37, -0.21

Mean eGFR (mL/min/1.73 m2)

0.22

0.16, 0.28

  1. Percent difference in eGFR expressed as: 100 times the value of (eGFRcys – eGFRcreat)/mean eGFR (n = 2532)