Study groups  
  Controls Cases p-value
       
Number 288 300  
gender (% males) 27 58  
Age (years) 38 12 64 ± 10 < 0.05
SBP (mmHg) 120 ± 18 139 ± 17 < 0.05
DBP (mmHg) 76 ±  11 79 ±  9 < 0.05
BMI (Kg/m2) 22.8 ± 3.8 25.5 ± 3.6 < 0.05
FPG (mM) 5.1 ± 0.5 -  
HBA1c (%) - 7.8 ± 1.4  
Duration (years) - 16 ± 8  
Table 1: Clinical characteristics of the study subjects