Table 3 Rates and estimated annual percentage change, stratified and adjusted by maternal age, parity, pervious caesarean section, and mode of delivery
From: Exploring trends of severe postpartum haemorrhage: a hospital-based study
Severe PPH n (%) | Deliveries1 n (%) | Rate of severe PPH per 1000 deliveries (95% CI) | Estimated annual percentage change (95% CI)3 | P value | |
|---|---|---|---|---|---|
Maternal age² | |||||
< 30 years | 747 (28.5) | 29 315 (30.4) | 25.5 (23.7–27.4) | 9.4 (6.6–12.2) | < 0.001 |
30–39 years | 1642 (62.6) | 61 762 (64.1) | 26.6 (25.3–27.9) | 4.0 (2.2–5.8) | < 0.001 |
≥ 40 years | 232 (8.9) | 5235 (5.5) | 44.3 (38.8–50.4) | 8.5 (3.5–13.6) | < 0.001 |
Parity/previous CS | |||||
Nulliparous | 1569 (59.9) | 47 682 | 32.9 (31.3–34.6) | 6.1 (4.1–8.2)* | < 0.001 |
Parous without previous CS | 713 (27.2) | 39 097 | 18.2 (16.9–19.6) | 5.5 (2.5–8.7)* | < 0.001 |
Parous with previous CS | 339 (12.9) | 9534 | 35.6 (31.9–39.6) | 5.2 (2.5–7.9)* | < 0.001 |
Mode of delivery | |||||
Vaginal delivery | 1272 (48.5) | 65 548 (68.1) | 19.4 (18.4–20.5) | 5.1 (3.3-7.0)** | < 0.001 |
Operative vaginal delivery | 595 (22.7) | 11 490 (11.9) | 51.8 (47.7–65.1) | 5.8 (3.1–8.5)** | < 0.001 |
CS | 754 (28.8) | 19 275 (20.0) | 39.1 (36.4–42.0) | 8.5 (4.4–12.8)** | < 0.001 |