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Table 1 Baseline characteristics of the entire study population stratified by sex (N = 8952)

From: Renal function and lipid metabolism are major predictors of circumpapillary retinal nerve fiber layer thickness—the LIFE-Adult Study

  Female subjects Male subjects
Total, N 4665 4287
Age (years) 57.0 ± 12.2 57.9 ± 12.6*
Diabetes, N (%) 521 (11.2) 722 (16.8)*
Smoker, N (%) 910 (19.5) 965 (22.5)*
Hypertension, N (%) 2094 (44.9) 2350 (54.8)*
Statin therapy, N (%) 423 (9.1) 707 (16.5)*
CKD risk groups, N (%)
 Low CKD risk 3911 (83.8) 3526 (82.2)*
 Moderate CKD risk 518 (11.1) 506 (11.8)
 High CKD risk 117 (2.5) 144 (3.4)*
 Very high CKD risk 42 (0.9) 53 (1.2)
BMI (kg/m2) 27.1 ± 5.4 27.6 ± 4.2*
WHR 0.9 ± 0.1 1.0 ± 0.1*
SBP (mmHg) 125.1 ± 17.2 131.7 ± 15.5*
DBP (mmHg) 73.9 ± 9.6 76.7 ± 9.9*
Cystatin C (mg/l) 0.9 ± 0.2 1.0 ± 0.2*
eGFRCys (ml/min per 1.73m2) 86.0 ± 19.1 86.8 ± 20.2
Urinary albumin-creatinine ratio (mg/g) 18.6 ± 118.6 29.6 ± 214.4*
Fasting glucose (mmol/l) 5.5 ± 1.1 5.9 ± 1.2*
Fasting insulin (pmol/l) 62.6 ± 113.7 70.6 ± 54.6*
HbA1c (%) 5.4 ± 0.5 5.4 ± 0.6*
Total cholesterol (mmol/l) 5.7 ± 1.1 5.4 ± 1.1*
HDL cholesterol (mmol/l) 1.8 ± 0.5 1.4 ± 0.4*
Non-HDL cholesterol (mmol/l) 3.9 ± 1.1 4.0 ± 1.1*
LDL cholesterol (mmol/l) 3.5 ± 1.0 3.5 ± 1.0
TG (mmol/l) 1.2 ± 0.7 1.6 ± 1.3*
ApoA1 (g/l) 1.8 ± 0.3 1.5 ± 0.2*
ApoB (g/l) 1.1 ± 0.3 1.1 ± 0.3*
Lp(a) (g/l) 0.2 ± 0.3 0.2 ± 0.3*
hsCRP (mg/l) 3.1 ± 6.1 2.5 ± 4.7*
IL-6 (ng/l) 3.5 ± 4.7 3.8 ± 4.9*
ALAT (μkat/l) 0.4 ± 0.2 0.5 ± 0.3*
ASAT (μkat/l) 0.4 ± 0.1 0.5 ± 0.2*
AP (μkat/l) 1.2 ± 0.4 1.1 ± 0.3
GGT (μkat/l) 0.5 ± 0.6 0.8 ± 0.9*
  1. Values for mean ± standard deviation or total number (percentage) are shown. p values were assessed by the t test or chi-squared test and corrected for multiple testing based on the false discovery rate method. *p < 0.05 for female vs. male subjects
  2. ALAT, alanine aminotransferase; AP, alkaline phosphatase; ApoA1, apolipoprotein A1; ApoB, apolipoprotein B; ASAT, aspartate aminotransferase; BMI, body mass index; DBP, diastolic blood pressure; eGFRCys, cystatin C-based estimated glomerular filtration rate; GGT, gamma-glutamyltransferase; HbA1c, glycated hemoglobin A1c; HDL, high-density lipoprotein; hsCRP, high-sensitivity C-reactive protein; IL, interleukin; LDL, low-density lipoprotein; Lp(a), lipoprotein(a); SBP, systolic blood pressure; TG, triglycerides; WHR, waist-to-hip ratio