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Table 2 General characteristics of the GDM and non GDM diagnosed by IADPSG criteria in urban and rural areas

From: Prevalence of Gestational Diabetes Mellitus in urban and rural Tamil Nadu using IADPSG and WHO 1999 criteria (WINGS 6)

Parameter URBAN (n = 1301) RURAL (n = 473) p value* OVERALL (N = 1774)
Overall GDM** (n = 210) NON GDM (n = 1091) Overall GDM** (n = 68) NON GDM (n = 405) Overall GDM (n = 278) NON GDM (n = 1496) p value***
Age 26.2 ± 4.1 27.4 ± 4.3 25.9 ± 4.0 24 ± 2.9 23.9 ± 2.5 23.9 ± 3.0 <0.001 25.6 ± 3.9 26.5 ± 4.2 25.4 ± 3.8 0.0238
BMI 24.7 ± 4.9 26.2 ± 4.5 24.6 ± 4.9 22.1 ± 3.7 22.6 ± 3.9 22.1 ± 3.6 <0.001 24.2 ± 4.7 25.4 ± 4.6 24.0 ± 4.7 <0.001
Family history of T2DM 366 (28.1 %) 82 (39 %) 284 (26 %) 51 (10.8 %) 12 (17.6 %) 39 (9.6 %) <0.001 417 (23.5 %) 94 (33.8 %) 323 (21.6 %) 0.0001
Previous history of GDM 25 (1.9 %) 12 (5.7 %) 13 (1.2 %) 1 (0.2 %) 0 1 (0.2 %) <0.001 26 (1.5 %) 12 (4.3 %) 14 (0.9 %) 0.0062
Fasting (mg/dl) 80 ± 12.8 93 ± 10.4 77 ± 11.6 81 ± 12.4 96 ± 11.3 78 ± 10.5 0.1355 80.6 ± 12.6 94.1 ± 10.7 78.0 ± 11.3 <0.001
HbA1c (%) 4.9 ± 0.6 5.1 ± 0.5 4.8 ± 0.5 5.1 ± 0.6 5.3 ± 0.6 5.0 ± 0.4 <0.001 4.9 ± 0.53 5.1 ± 0.4 4.9 ± 0.5 <0.001
  1. *p value comparing overall urban vs rural
  2. **p value significant (<0.005), comparing GDM urban vs GDM rural
  3. ***p value comparing overall “GDM vs non GDM”