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Table 2 Multivariable analysis of serum LDL-C levels and current MetS in study population, by tertile levels

From: Association between serum low-density lipoprotein cholesterol and metabolic syndrome in a working population

LDL-C (mg/dL) Odds Ratio (95% Confidence Interval) P-value
Crude Model Ia Model IIb
Subjects (n = 60,799)
 T2 (103.8–135.8) Ref. Ref. Ref.
 T1 (<  103.8) 0.90 (0.83, 0.97) 0.005 1.22 (1.13, 1.32) < 0.001 1.27 (1.16, 1.39) < 0.001
 T3 (>  135.8) 1.81 (1.70, 1.94) < 0.001 1.41 (1.32, 1.51) < 0.001 1.53 (1.41, 1.65) < 0.001
Men (n = 34,827)
 T2 (105.0–136.5) Ref. Ref. Ref.
 T1 (<  105.0) 1.02 (0.94, 1.12) 0.613 1.34 (1.22, 1.46) < 0.001 1.33 (1.19, 1.48) < 0.001
 T3 (>  136.5) 1.73 (1.60, 1.88) < 0.001 1.44 (1.33, 1.57) < 0.001 1.50 (1.36, 1.65) < 0.001
 102.6–135.0 Ref. Ref. Ref.
  <  102.6 1.03 (0.94, 1.12) 0.518 1.35 (1.23, 1.48) < 0.001 1.34 (1.20, 1.49) < 0.001
  >  135.0 1.71 (1.58, 1.85) < 0.001 1.41 (1.30, 1.53) < 0.001 1.46 (1.33, 1.61) < 0.001
Women (n = 25,972)
 T2 (102.6–135.0) Ref. Ref. Ref.
 T1 (<  102.6) 0.55 (0.47, 0.66) < 0.001 0.81 (0.68, 0.97) 0.018 0.95 (0.78, 1.15) 0.589
 T3 (>  135.0) 2.06 (1.82, 2.34) < 0.001 1.42 (1.25, 1.62) < 0.001 1.52 (1.31, 1.76) < 0.001
  1. aModel I adjust for age
  2. bModel II adjust for gender, age, BMI, DBP, ABSI, and smoking, if not be stratified
  3. LDL-C low-density lipoprotein cholesterol, MetS metabolic syndrome, BMI body mass index, DBP diastolic blood pressure, ABSI a body shape index