Table 5.
Summary of meta-analysis outcome.
| Subgroup Analysis | Cases | Controls | OR (95% CI) | Heterogeneity I2 | Egger's Testa |
|---|---|---|---|---|---|
| Pregnancy illnesses | 857 | 6225 | 2.19 (1.37, 3.50) | 67% | P = 0.4154 |
| Asthma | 857 | 6225 | 3.55 (1.87, 6.75) | 73% | P = 0.3476 |
| Tonsillitis | 693 | 5748 | 2.23 (1.21, 4.12) | 86% | P = 0.0435 |
| Bronchitis | 516 | 4822 | 1.14 (0.61, 2.14) | 89% | P < 0.0001 |
| Pneumonia | 669 | 5522 | 2.69 (1.23, 5.87) | 85% | P = 0.3173 |
| Urinary tract infection | 747 | 6140 | 1.62 (1.15, 2.28) | 27% | P = 0.0224 |
| Otitis media | 489 | 4266 | 2.03 (0.98, 4.19) | 65% | P < 0.0001 |
| Chicken pox/(or) Measles | 748 | 6221 | 2.37 (1.21, 4.63) | 86% | P = 0.9880 |
| Rubella | 516 | 4822 | 1.28 (0.84, 1.96) | 0% | P < 0.0001 |
| High fever | 857 | 6233 | 2.00 (1.52, 2.64) | 29% | P = 0.0760 |
| Renal disorder | 380 | 1784 | 11.85 (1.32, 106.53) | 68% | P = 0.4894 |
| GIT | 692 | 5745 | 3.02 (1.63, 5.57) | 69% | P = 0.8796 |
| Jaundice | 176 | 923 | 1.12 (0.64, 1.94) | 0% | P < 0.0001 |
| Medication during breast feeding | 131 | 332 | 0.94 (0.41, 2.11) | 0% | P < 0.0001 |
| Child medication | 231 | 1293 | 3.03 (0.50, 18.29) | 93% | P = 0.1153 |
Egger's test for a regression intercept gave a P > 0.05, indicating no evidence of publication bias.