Table 2 Intrapartum characteristics of IH and no IH groups
From: Clinical characteristics and sequelae of intrapartum hypertension – a retrospective cohort study
Total (n = 229) | ⩾2 elevated BP readings (n = 32) | < 2 elevated BP readings (n = 197) | p-value | Unadjusted odds ratio (95%CI) | |
|---|---|---|---|---|---|
Spontaneous or induced labour onset | 188 | 16 (8.5%) | 172 (91.5%) | < 0.001 | 0.15 (0.07–0.33) |
Normal vaginal delivery | 157 | 7 (4.5%) | 150 (95.5%) | 0.09 (0.04–0.22) | |
Emergency caesarean section | 31 | 9 (29%) | 22 (71%) | 3.1 (1.3–7.6) | |
No labour | 41 | 16 (39%) | 25 (61%) | ||
Duration of first stage (median ± IQR) | 3:30 (± 3:37) | 3:30 (± 3:00) | 3:30 (± 3:40) | NS | |
Duration of second stage (median ± IQR) | 0:28 (± 1:34) | 02:08 (± 0:51) | 00:24 (± 1:15) | 0.03 | |
Intravenous syntocin, n (%) | 86 | 13 (15.1%) | 73 (84.9%) | NS | |
Epidural, n (%) | 70 | 15 (21.4%) | 55 (78.6%) | 0.03 | 2.28 (1.06–4.88) |
Intrapartum non-steroidal anti-inflammatory drugs, n (%) | 45 | 17 (37.7%) | 28 (62.2%) | < 0.001 | 6.8 (3.07–15.24) |
Instrumental delivery, n (%) | 34 | 5 (14.7%) | 29 (85.3%) | NS | |
Forceps | 6 | 1 (16.7%) | 5 (83.3%) | ||
Vacuum | 28 | 4 (14.3%) | 24 (85.7%) | ||
Emergency caesarean section, n (%) | 31 | 9 (29%) | 22 (71%) | 0.009 | 3.1 (1.3–7.6) |
Third- or fourth-degree perineal tear, n (%) | 5 | 0 (0%) | 5 (100%) | < 0.01 | 2.39 (1.22–4.66) |