Control subjects Extremely obese patients
Haplotype M235T variant T174M variant  (n = 230) all cases
(n = 335)
cases without T2DM (n = 134) cases with T2DM (n = 201)
       n %  n %  n %  n %
Hap 1 M T 250 54.35 387 57.76 157 58.58 230 57.21
Hap 2 T T 148 32.17 179 26.72 73 27.24 106 26.37
Hap 3 T M 60 13.04 96 14.33 36 13.43 60 14.93
Hap 4 M M 2 0.44 8 1.19 2 0.75 6 1.49
p value     0.144a 0.521b 0.118c 0.815d
Hap4 were excluded from analyses
p values indicate differences in haplotype frequencies between groups: acontrols vs. all cases; bcontrols vs. cases without T2DM; ccontrols vs. cases with T2DM; dcases without T2DM vs. cases with T2DM
T: Threonine; M: Methionine; T2DM: Type 2 Diabetes Mellitus
Table 4: AGT haplotypes and their frequencies in controls and study groups.