Table 3.
Postpartum hemorrhage risk factor occurrence in this cohort vs the general population and the previous cohort.
| Risk factor | Current cohort (n = 348) n (%)a | General populationb (n = 743.591) n (%)c | Previous cohortd (n = 185) n (%)e |
|---|---|---|---|
| Uterus atony | 17 (4.9) | NA | 2 (1.2) |
| Retained placenta | 31 (8.9) | 28.807 (3.9) | 7 (4.0) |
| Cesarean section | 65 (18.7) | 169.406 (22.8) | 34 (18.8) |
| Instrumental deliveryf | 14 (4.9) | 81.305 (14.3) | 14 (9.7) |
| Prolonged third stage of labor | 8 (2.3) | NA | 9 (5.1) |
| Induction of laborg | 132 (41.0) | 225.381 (34.1) | 49 (31.2) |
| Augmentation of laborg | 140 (43.5) | 346.099 (47.7) | 31 (19.7) |
| Episiotomyf | 68 (24.5) | 190.823 (33.2) | 51 (36.2) |
| Perineal lacerationf | 149 (55.0) | 221.340 (38.5) | 68 (47.6) |
| Nulliparous | 149 (42.8) | 376.758 (50.7) | 109 (58.9) |
| Multiple gestation | 11 (3.2) | 16.754 (2.3) | 6 (3.2) |
| Age >35 y | 78 (22.4) | 161.368 (21.7) | 39 (21.1) |
Total N depends on available and relevant data.
NA, not available.
a
271 to 348.
b
Data from Perined 2012-2017.
c
574.185 to 743.591.
d
Data from Stoof et al. [17] 2007-2011.
e
141 to 185.
f
Vaginal deliveries only.
g
Primary cesarean sections excluded.