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Table 1 Rates of GDM and the reclassification of the diagnosis of GDM using the 1999 and 2013 WHO criteria

From: Impact of adopting the 2013 World Health Organization criteria for diagnosis of gestational diabetes in a multi-ethnic Asian cohort: a prospective study

  GDM based on 1999 WHO criteria GDM based on 2013 WHO Criteriaa Non-GDM based on both 1999 and 2013 WHO criteriaa (Group 1) Reclassified from GDM to non-GDM using 2013 WHO criteriaa (Group 2) Reclassified from non-GDM to GDM using 2013 WHO criteria (Group 3) GDM based on both 1999 and 2013 WHO criteria (Group 4)
n (%) n (%) n (%) n (%) n (%) n (%)
Chinese (n = 625) 127 (20.3) 74 (11.8)b 490 (78.4) 61 (9.8) 8 (1.3) 66 (10.6)
Malay (n = 278) 32 (11.5) 33 (11.9) 234 (84.2) 11 (4.0) 12 (4.3) 21 (7.6)
Indian (n = 189) 45 (23.8) 35 (18.5) 137 (72.5) 17 (9.0) 7 (3.7) 28 (14.8)
Total (n = 1092) 204 (18.7) 142 (13.0)b 861 (78.8) 89 (8.2) 27 (2.5) 115 (10.5)
  1. GDM gestational diabetes mellitus, WHO World Health Organization
  2. awithout the 1-h plasma glucose measure
  3. bdifferences in GDM rates based on 1999 vs 2013 WHO criteria; P < 0.001 based on McNemar’s test