Table 5.
Type of outcome | Number of primary studies | Sample size include | Estimates from review | Pooled estimates, I2 |
---|---|---|---|---|
Low birth weight | 6 | 14,090 | PAOR, (1.21; 95%CI: 0.91, 1.60) |
PAOR = 1.49 (95%CI: 1.32, 1.68) I2 = 0.0%(P = 0.213) - No evidence of publication bias - No influential study found |
11 | 13,544 | PRR = 1.49(95%CI: 1.25, 1.77) | ||
8 | 25,663 | PAOR = 1.96(95%CI: 1.24, 3.10) | ||
Total | 25 | 53,297 | ||
Preterm birth | 15 | 23,754 | PAOR, (1.37; 95%CI: 1.04, 1.81) |
PAOR = 1.40 (95%CI: 1.16, 1.69) I2 = 35.2%(P = 0.771) - No evidence of publication bias - No influential study found |
20 | 29,295 | PRR = 1.39(95%CI: 1.19, 1.61) | ||
14 | PAOR = 1.56(95%CI: 1.25, 1.94) | |||
Total | 39 | 75,451 |
Note: PAOR Pooled adjusted odds ratio PRR Pooled relative risk