Table 5.
Nulliparous vs Multiparous; Spontaneous labours.
| Spontaneous labours N = 649 | Nulliparous N = 334 |
Multiparous N = 315 |
||||
|---|---|---|---|---|---|---|
| CAM N = 126 (38%) | Control N = 208 (62%) | Statistical significance | CAM N = 125 (40%) | Control N = 190 (60%) | Statistical significance | |
| Age Mean (range; SD) | 28 (16–42; 5.1) | 28 (15–41; 5.6) | p = 1 | 31.3 (22–42; 4.3) | 30.7 (19–45.3; 5.2) | p = 0.28 |
| BMI, mean (range; SD) | 24 (19–37; 4) | 25 (15–47.5; 5) | p = 0.06 | 25 (19–38; 4) | 26 (17–63; 6) | p = 0.1 |
| Epidural* rate: n (%) | 36 (29) | 87 (42) | p = 0.01 95%CI 0.49 to 0.9 RR = 0.68 | 7 (6) | 17 (9) | p = 0.39 |
| GA at delivery, mean (range) | 40+6 (40+0-41+3) | 41+1 (40+1-42+0) | 41+0 (40+1-42+2) | 41+1 (40+1-42+0) | ||
| ** Length of labour (hours), mean (range; SD) | 8.6 (1–36; 5) | 10.3 (2–42; 5.5) | 1.7 h less p = 0.004 95%CI -2.9 to -0.52 | 4.5 (0.5–15; 3) | 5 (1–16; 3) | p = 0.15 |
| Use of syntocinon for labour augmentation: n(%) | 38 (30) | 86 (41) | P = 0.04 95%CI 0.53 to 0.90 RR = 0.73 | 4 (3) | 8 (4) | p = 0.77 |
| Vaginal (including breech) delivery with no intervention: n (%) | 82 (65) | 104 (50) | p = 0.006 95%CI 1.08 to 1.56 RR = 1.3 | 119 (95) | 179 (94) | p = 0.80 |
| ***Instrumental: n (%) | 32 (25) | 72 (35) | p = 0.09 | 3 (2) | 7 (4) | p = 0.75 |
| Emergency Caesarean Section: n(%) | 12 (10) | 32 (15) | p = 0.14 | 3 (2) | 4 (2) | p = 1.0 |
| Mean blood loss in all deliveries (ml), mean (range; SD) | 470 (50–2200; 369) | 540 (100–3375; 468) | p = 0.15 | 384 (100–2000; 356) | 321 (100–2400; 234) | p = 0.06 |
| Blood loss excluding caesarean sections (ml), mean (range; SD) | 445 (50–2200; 357) | 476 (100–3200; 403) | p = 0.50 | 362 (50–1900; 319) | 310 (100–2400; 222) | p = 0.09 |
| Major PPH(>1500mls) in vaginal deliveries: n/vaginal deliveries (%) | 4/114 (3.5) | 6/176 (3) | p = 1.0 | 3/122 (2.5) | 1/186 (0.5) | p = 0.30 |
| Episiotomy: n/vaginal deliveries (%) | 47/114 (41) | 85/176 (48) | p = 0.28 | 5/122 (4) | 15/186 (8) | p = 0.24 |
| Birth Weight (grams), mean (range; SD) | 3619 (2730–4460; 378) | 3609 (3600–4890; 412) | p = 0.82 | 3768 (2900–4945; 402) | 3730 (2885–4950; 429) | p = 0.43 |
| Significant Perineal Trauma: n/vaginal deliveries (%) | 11/114 (10) | 9/176 (5) | p = 0.16 | 5/122 (4) | 0 | - |
| Shoulder dystocia: n/vaginal deliveries (%) | 0 | 5/176 (3) | - | 3/122 (2.5) | 2/186 (1) | p = 0.39 |
| Neonatal Admission: n (%) | 4 (3) | 6 (3) | p = 1.0 | 0 | 3 (2) | - |