Table 3.
Comparison of maternal and fetal complications of labor between the three parity groups
| Variable | Group 1 (n = 1658) % | Group 2 (n = 1198) % | Group 3 (n = 160) % | RRa (95 % CI) | P value | RRb (95 % CI) | P value | RRc (95 % CI) | P value |
|---|---|---|---|---|---|---|---|---|---|
| Normal delivery | 1479 (89.21) | 971 (81.05) | 139 (86.87) | 0.90 (0.87–0.93) | 0.0001*** | 0.81 (0.52–1.26) | 0.36 | 1.47 (0.95–2.29) | 0.73 |
| Instrumental vaginal delivery | 5 (0.3) | 7 (0.58) | 2 (1.25) | 1.93 (0.61–6.09) | 0.249 | 3.27 (0.005–10.66) | 0.06 | 1.89 (0.55–6.49) | 0.32 |
| Cesarean section | 174 (10.49) | 220 (18.36) | 19 (11.97) | 1.74 (1.45–2.10) | 0.0001*** | 1.13 (0.71–1.78) | 0.58 | 0.63 (0.39–0.99) | 0.04* |
| Placental abruption | 17 (1.02) | 16 (1.33) | 2 (1.25) | 1.30 (0.66–2.56) | 0.44 | 1.19 (0.32–4.48) | 0.78 | 0.94 (0.25–3.5) | 0.92 |
| Postpartum hemorrhage | 26 (1.56) | 47 (3.92) | 14 (8.75) | 2.50 (1.55–4.01) | 0.0001*** | 3.78 (2.41–5.93) | 0.0001*** | 2.03 (1.25–3.30) | 0.005** |
| Soft tissue injuries | 282 (17.00) | 121 (10.1) | 7 (4.37) | 0.59 (0.48–0.72) | 0.0001*** | 0.24 (0.11–0.51) | 0.0001*** | 0.43 (0.21–0.91) | 0.01* |
| Episiotomy | 16 (0.96) | 6 (0.5) | 1 (0.62) | 0.51 (0.20–1.32) | 0.161 | 0.66 (0.09–4.48) | 0.0001*** | 1.21 (0.19–7.49) | 0.83 |
* Statistically significant result; ** Statistically highly significant result; *** Statistically very highly significant result
aComparison between Groups 1 & 2
bComparison between Groups 1 & 3
cComparison between Groups 2 & 3