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Table 1 Baseline characteristics of all genotyped participants, diabetic cases and non-diabetic controls

From: Associations of common polymorphisms in GCKR with type 2 diabetes and related traits in a Han Chinese population: a case-control study

Characteristic All participants
(n = 2279)
Diabetic cases
(n = 1118)
Non-diabetic controls
(n = 1161)
P value*
Age (years) 58.3 ± 0.24 60.2 ± 0.37 56.5 ± 0.32 < 0.001
Men (%) 43.6 44.6 42.7 0.34
BMI (kg/m2) 24.0 ± 0.07 24.4 ± 0.11 23.5 ± 0.09 < 0.001
Waist circumference (cm) 85.6 ± 0.45 90.5 ± 0.81 80.5 ± 0.28 < 0.001
Fasting glucose (mmol/l) 6.30 ± 0.01 8.17 ± 0.04 4.86 ± 0.01 < 0.001
Total cholesterol (mmol/l)+ 4.76 ± 0.03 4.43 ± 0.04 5.10 ± 0.03 < 0.001
Triglyceride (mmol/l)+ 1.54 ± 0.02 1.64 ± 0.03 1.46 ± 0.02 < 0.001
HDL-C (mmol/l)+ 1.24 ± 0.01 1.16 ± 0.01 1.32 ± 0.01 < 0.001
LDL-C (mmol/l)+ 2.69 ± 0.02 2.40 ± 0.03 3.00 ± 0.02 < 0.001
Systolic BP (mmol/l) 126.8 ± 0.38 134.2 ± 0.53 119.4 ± 0.45 < 0.001
Diastolic BP (mmol/l) 79.4 ± 0.19 80.7 ± 0.28 78.0 ± 0.26 < 0.001
  1. Continuous data are expressed as the means ± SEM
  2. +Variables were log-transformed before statistical analysis; numbers in the table were back-transformed
  3. *p value for comparison between cases and controls