Variables | Number of studies | Studies includes | Odds ratio with 95% CI | Heterogeneity | |
---|---|---|---|---|---|
(I2) (%) | P-value | ||||
Advanced age (≥ 35 years) | 3 | Kebede et al. 2019 Habitamu et al. 2019 Amanuel et al. 2021 | 4.61 (2.81, 7.56) | 0.0 | P = 0.076 |
Prolonged labor | 3 | Hamdela et al. 2021 Temesgen 2017 Amanuel et al. 2021 | 4.94 (2.30, 10.63) | 66.0 | P = 0.053 |
Anti-natal care follow-up | 3 | Temesgen 2017 Habitamu et al. 2019 Amanuel et al. 2021 | 8.87 (3.21, 24.48) | 66.3 | P = 0.051 |
Parity | 2 | Habitamu et al. 2019 Temesgen 2017 | 6.58 (1.90, 22.80) | 58.8 | P = 0.119 |
History of postpartum hemorrhage | 3 | Habitamu et al. 2019 Kebede 2019 Amanuel et al. 2021 | 4.12 (2.51, 6.76) | 0.0 | P = 0.725 |