Table 5 Pregnancy outcomes according to predicted chance in fifths of uncomplicated pregnancy and birth using the clinical model
From: Prediction of uncomplicated pregnancies in obese women: a prospective multicentre study
| Â | Least likely to have an uncomplicated pregnancy and birth | Â | Â | Most likely to have an uncomplicated pregnancy and birth | Â | Â |
|---|---|---|---|---|---|---|
|  | 1st fifth(n = 181) | 2nd fifth(n = 181) | 3rd fifth(n = 182) | 4th fifth(n = 181) | 5th fifth(n = 182) | P value |
Uncomplicated pregnancy (%) | 47 (17.2) | 67 (24.5) | 98 (35.8) | 126 (46) | 154 (56.2) | < 0.001 |
Antenatal outcomes (%) | ||||||
 Miscarriagea | 2 (0.7) | 1 (0.4) | 2 (0.7) | 2 (0.7) | 1 (0.4) | 0.94 |
 Preterm delivery | 13 (4.8) | 23 (8.4) | 8 (2.9) | 17 (6.3) | 14 (5.1) | 0.07 |
 Gestational diabetes | 82 (30.1) | 59 (21.6) | 73 (26.8) | 71 (26.1) | 39 (14.3) | < 0.001 |
 Preeclampsia | 16 (5.9) | 17 (6.2) | 8 (2.9) | 6 (2.2) | 4 (1.5) | 0.006 |
 Other hypertensive disorders | 37 (13.6) | 9 (3.3) | 19 (7.0) | 12 (4.4) | 5 (1.8) | < 0.001 |
 Antepartum haemorrhage | 15 (5.5) | 8 (2.9) | 9 (3.3) | 14 (5.1) | 7 (2.6) | 0.26 |
 Placental abruption | 2 (0.7) | 2 (0.7) | 2 (0.7) | 3 (1.1) | 0 (0) | 0.61 |
 Venous thromboembolism | 2 (0.7) | 1 (0.4) | 0 (0) | 0 (0) | 0 (0) | 0.25 |
 Small for gestational age | 34 (12.5) | 43 (15.8) | 27 (9.9) | 27 (9.9) | 27 (9.9) | 0.13 |
 Large for gestational age | 22 (8.1) | 19 (7.0) | 25 (9.2) | 30 (11.0) | 24 (8.8) | 0.55 |
 Stillbirth | 2 (0.7) | 2 (0.7) | 2 (0.7) | 1 (0.4) | 0 (0) | 0.68 |
Labour outcomes (%) | ||||||
 Induction of labour | 145 (53.3) | 107 (39.2) | 92 (33.8) | 72 (26.5) | 64 (23.4) | < 0.001 |
 Elective caesarean section | 47 (17.3) | 33 (12.1) | 64 (23.5) | 70 (25.7) | 46 (16.8) | < 0.001 |
 Mode of delivery (in labour) |  |  |  |  |  |  |
  Spontaneous vaginal | 88 (39.1) | 113 (47.1) | 136 (65.4) | 169 (83.7) | 204 (89.9) | < 0.001 |
  Instrumental delivery | 55 (24.4) | 59 (24.6) | 25 (12.0) | 14 (6.9) | 7 (3.1) | < 0.001 |
  Emergency CS | 82 (36.4) | 68 (28.3) | 47 (22.6) | 19 (9.4) | 16 (7.0) | < 0.001 |
 Postpartum haemorrhage | 57 (21) | 39 (14.3) | 32 (11.8) | 27 (9.9) | 23 (8.4) | < 0.001 |
 Apgar < 7 at 5 min | 10 (3.7) | 5 (1.8) | 5 (1.8) | 5 (1.8) | 2 (0.7) | 0.18 |
 NICU admission | 29 (10.7) | 23 (8.4) | 19 (7.0) | 22 (8.1) | 18 (6.6) | 0.45 |
 Neonatal death | 0 (0) | 1 (0.4) | 0 (0) | 3 (1.1) | 0 (0) | 0.07 |