Table 1 Characteristics of women with and without prolonged second stage of labour
|  | Admission 2nd stage without prolonged 2nd stage N = 528 | Admission 2nd stage with prolonged 2nd stage N = 38 | Admission latent/first stage without prolonged 2nd stage N = 2562 | Admission latent/first stage with prolonged 2nd stage N = 269 | (Missing: (unknown which stage admitted) (N = 29) | Total N = 3426 |
|---|---|---|---|---|---|---|
Age | ||||||
 < 20 | 104 (21.1) | 7 (19.4) | 665 (26.6) | 77 (29.1) | 7 | 860 (25.9) |
 20–24 | 129 (26.2) | 5 (13.9) | 761 (30.4) | 85 (32.1) | 6 | 986 (29.7) |
 25–29 | 105 (21.3) | 12 (33.3) | 463 (18.5) | 51 (19.2) | 5 | 636 (19.2) |
 30–34 | 87 (17.7) | 6 (16.7) | 348 (13.9) | 32 (12.1) | 3 | 476 (14.4) |
 ≥ 35 | 67 (13.6) | 6 (16.7) | 265 (10.6) | 20 (7.5) | 1 | 359 (10.8) |
Total | 492 | 36 | 2502 | 265 | 22 | 3317 |
Missing | 36 | 2 | 60 | 4 | 7 | 109 |
Parity | ||||||
 Nullipara | 137 (26.6) | 10 (27.8) | 954 (37.3) | 108 (40.3) | 6 | 1215 (35.8) |
 Multipara | 379 (73.4) | 26 (72.2) | 1602 (62.7) | 160 (59.7) | 12 | 2179 (64.2) |
Total | 516 | 36 | 2556 | 268 | 18 | 3394 |
Missing | 12 | 2 | 6 | 1 | 11 | 32 |
Previous CS | ||||||
 Yes | 12 (2.4) | 4 (11.1) | 228 (8.9) | 21 (7.8) | 7 | 272 (8.0) |
 No | 496 (97.6) | 32 (88.9) | 2327 (90.8) | 247 (92.2) | 12 | 3114 (92.0) |
Total | 508 | 36 | 2555 | 268 | 19 | 3386 |
Missing | 20 | 2 | 7 | 1 | 10 | 40 |
Type of gestation | ||||||
 Singleton | 510 (96.6) | 34 (89.5) | 2510 (98.0) | 259 (96.3) | 27 | 3340 (97.5) |
 Twins | 18 (3.4) | 4 (10.5) | 52 (2.0) | 10 (3.7) | 2 | 86 (2.5) |
Total | 528 | 38 | 2562 | 269 | 29 | 3426 |
Missing | 0 | 0 | 0 | 0 | 0 | 0 |
Gestational age | ||||||
 < 32 | 11 (4.4) | 0 | 38 (2.6) | 2 (1.2) | 1 | 52 (2.7) |
 32–34 | 10 (4.0) | 0 | 78 (5.3) | 5 (2.9) | 0 | 93 (4.8) |
 35–36 | 48 (19.1) | 2 (10.0) | 342 (23.1) | 38 (22.4) | 2 | 432 (22.4) |
 37–39 | 168 (66.9) | 15 (75.0) | 922 (62.4) | 107 (62.9) | 4 | 1216 (63.1) |
 > 39 | 14 (5.6) | 3 (15.0) | 98 (6.6) | 18 (10.6) | 0 | 133 (6.9) |
Total | 251 | 20 | 1478 | 170 | 7 | 1926 |
Missing | 277 | 18 | 1084 | 99 | 22 | 1500 |
ANC visits | ||||||
 < 4 | 231 (57.3) | 14 (46.7) | 1084 (47.2) | 92 (34.2) | 7 | 1428 (41.7) |
 ≥ 4 | 172 (42.7) | 16 (53.3) | 1215 (52.8) | 155 (57.6) | 5 | 1563 (52.3) |
Total | 403 | 30 | 2299 | 247 | 12 | 2991 |
Missing | 125 | 8 | 263 | 22 | 17 | 435 |
Oxytocin augmentation | ||||||
 Yes | 1 (0.2) | 0 | 75 (3.0) | 22 (8.2) | 1 | 99 (2.9) |
 No | 526 (99.8) | 38 (100.0) | 2448 (97.0) | 247 (91.8) | 4 | 3263 (97.1) |
Total | 527 | 38 | 2523 | 269 | 5 | 3362 |
Missing | 1 | 0 | 39 | 0 | 24 | 64 |
Mode of birth | ||||||
 SVB | 514 (97.3) | 24 (63.2) | 1985 (77.5) | 188 (69.9) | 1 | 2712 (79.2) |
 VE | 3 (0.6) | 4 (10.5) | 35 (1.4) | 27 (10.0) | 0 | 69 (2.0) |
 CS | 11 (2.1) | 10 (26.3) | 542 (21.2) | 54 (20.1) | 28 | 645 (18.8) |
Total | 528 | 38 | 2562 | 269 | 29 | 3426 |
Missing | 0 | 0 | 0 | 0 | 0 | 0 |