Table 1

Baseline characteristics of participants included versus not included in this subanalysis of the Kailuan cohort

VariableParticipants included
(n=43 836)
All other participants
(n=57 674)
P value
N (%)43.1856.82
Age, years60.54 (53.03–67.75)54.43 (47.94–62.75)<0.0001
Women, %10 896 (24.86)9504 (16.48)<0.0001
HDL cholesterol, mmol/L1.33 (1.12–1.58)1.33 (1.12–1.59)0.9251
LDL cholesterol, mmol/L2.46 (1.92–3.00)2.59 (2.09–3.14)<0.0001
TG, mmol/L1.24 (0.89–1.91)1.23 (0.89–1.86)0.0471
TC, mmol/L4.98 (4.38–5.68)5.01 (4.39–5.70)0.0035
Non-HDL, mmol/L3.61 (3.00–4.30)3.76 (3.11–4.47)<0.0001
Systolic blood pressure, mm Hg130.00 (120.00–140.00)130.67 (120.00–148.00)<0.0001
hsCRP, mg/L1.01 (0.33–2.07)1.05 (0.34–2.19)0.0003
BMI, kg/m224.77 (22.84–27.06)26.61 (23.14–29.18)0.0012
Diabetes mellitus, %2135 (4.93)1220 (5.18)0.1570
Hypertension, %7284 (16.82)3734 (15.86)0.0014
Hypercholesterolaemia, n (%)2403 (5.55)1166 (4.95)0.0011
Never smoker, %29 233 (67.52)41 572 (72.08)0.1570
Antiplatelet therapy, %159 (0.36)154 (0.65)<0.0001
Antihypertensive medication, %0 (0.00)2727 (11.66)<0.0001
Antidiabetic medication, %0 (0.00)858 (3.66)<0.0001
Lipid-lowering medication, %371 (0.85)169 (80.09)<0.0001
  • BMI, body mass index; HDL, high-density lipoprotein; hsCRP, hypersensitive C-reactive protein; LDL, low-density lipoprotein; TC, total cholesterol; TG, triglyceride.