No.(%) of subjects    
Variable Total Cases Controls P-value*
Body mass index(Kg/m2) 26.02±0.26 27.64±0.33 24.35±0.38 <0.0001
Cholesterol(mmol/l)
Total
HDL
LDL
4.27±0.04
1.06±0.01
2.46±0.04
4.48±0.06
1.01±0.01
2.62±0.06
4.07±0.06
1.09±0.02
2.31±0.05
<0.0001
0.003
<0.0001
Triglyceride(mmol/l) 1.51±0.03 1.66±0.04 1.36±0.04 <0.0001
Serum glucose(mmol/l) 9.43±0.22 10.28±0.28 8.05±0.34 <0.0001
Blood pressure (mmHg)
Systolic
Diastolic
125.98±0.78
77.21±0.41
133.07±1.05
80.62±0.56
118.65±0.99
73.69±0.54
<0.0001
<0.0001
*Student t test
Table 3: Baseline physical and metabolic characteristics in cases (n=280) and controls (n=271).