Table 3 Subgroup analysis of overall Gestational Diabetes Mellitus estimates
Subgroup categories | Number of studies | ES | 95% CI | I2(%) | Cochrane Q |
|---|---|---|---|---|---|
Geographical Zones | |||||
North |  31 |  16.0 |  9.8-22.8 |  98.8% |  2541.5 |
South |  47 |  12.6 |  7.8-17.8 |  98.3% |  2911.9 |
Central |  13 |  12.0 |  4.3-21.1 |  99.2% |  1692.6 |
West |  17 |  7.0 |  3.3-11.2 |  93.8% |  259.7 |
North-Eastern |  9 |  11.5 |  5.3-18.4 |  97.3% |  304.7 |
Population | |||||
Urban |  92 |  12.5 |  8.7-16.4 |  98.5% |  6152.6 |
Semi-urban |  8 |  16.0 |  7.2-25.9 |  99.4% |  1522.9 |
Rural |  17 |  9.7 |  6.4-13.3 |  95.5% |  357.2 |
Criteriaa | |||||
DIPSI |  29 |  11.7 |  5.6-18.5 |  97.9% |  1394.9 |
WHO 1999 |  24 |  12.5 |  9.2-15.9 |  97.4% |  917.6 |
IADPSG / WHO 2013 |  38 |  16.6 |  12.0-22.0 |  98.8% |  3296.0 |
ADA |  11 |  7.1 |  4.2-10.4 |  86.2% |  72.8 |
Carpenter –Coustan |  6 |  7.3 |  4.2-10.6 |  95.1% |  103.8 |
NICE |  1 |  16.4 |  16.0-16.8 |  |  |
NDDG |  1 |  4.4 |  1.5-8.7 |  |  |
O’Sullivan Criteria |  1 |  4.0 |  1.0-10.0 |  |  |