Skip to main content

Table 4 Pregnancy outcomes according to predicted chance in fifths of uncomplicated pregnancy and birth using the full model

From: Prediction of uncomplicated pregnancies in obese women: a prospective multicentre study

  Least likely to have an uncomplicated pregnancy and birth    Most likely to have an uncomplicated pregnancy and birth   
  1st fifth(n = 181) 2nd fifth(n = 181) 3rd fifth(n = 182) 4th fifth(n = 181) 5th fifth(n = 182) P value
Uncomplicated pregnancy (%) 22 (12.2) 34 (18.8) 58 (31.9) 75 (41.4) 114 (62.6) < 0.001
Antenatal outcomes (%)
 Miscarriagea 2 (1.1) 2 (1.1) 1 (0.5) 3 (1.7) 0 (0) 0.51
 Preterm delivery 11 (6.1) 16 (8.9) 6 (3.3) 7 (3.9) 5 (2.7) 0.04
 Gestational diabetes 77 (43) 50 (27.9) 57 (31.5) 35 (19.7) 29 (15.9) < 0.001
 Preeclampsia 12 (6.7) 13 (7.3) 6 (3.3) 3 (1.7) 6 (3.3) 0.04
 Other hypertensive disorders 16 (8.9) 12 (6.7) 13 (7.2) 9 (5.1) 2 (1.1) 0.02
 Antepartum haemorrhage 11 (6.1) 4 (2.2) 8 (4.4) 12 (6.7) 3 (1.6) 0.06
 Placental abruption 2 (1.1) 0 (0) 1 (0.6) 1 (0.6) 2 (1.1) 0.68
 Venous thromboembolism 0 (0) 1 (0.6) 0 (0) 0 (0) 0 (0) 0.40
 Small for gestational age 26 (14.5) 31 (17.3) 18 (9.9) 18 (10.1) 18 (9.9) 0.10
 Large for gestational age 16 (8.9) 11 (6.1) 18 (9.9) 17 (9.6) 18 (9.9) 0.69
 Stillbirth 2 (1.1) 0 (0) 1 (0.6) 1 (0.6) 1 (0.5) 0.73
Labour outcomes (%)
 Induction of labour 95 (52.0) 76 (42.5) 60 (33.1) 45 (25.3) 51 (28.0) < 0.001
 Elective caesarean section 41 (22.9) 22 (12.3) 34 (18.8) 41 (23.0) 44 (24.2) 0.03
 Mode of delivery (in labour)       
  Spontaneous vaginal 56 (40.6) 76 (48.4) 94 (63.9) 105 (76.6) 127 (92.0) < 0.001
  Instrumental delivery 27 (19.6) 35 (22.3) 21 (14.3) 16 (11.7) 3 (2.2) < 0.001
  Emergency CS 55 (39.9) 46 (29.3) 32 (21.8) 16 (11.7) 8 (5.8) < 0.001
 Postpartum haemorrhage 44 (24.6) 28 (15.6) 27 (14.9) 20 (11.2) 16 (8.8) < 0.001
 Apgar < 7 at 5 min 6 (3.4) 4 (2.2) 2 (1.1) 4 (2.2) 3 (1.6) 0.66
 NICU admission 19 (10.6) 20 (11.2) 15 (8.3) 12 (6.7) 10 (5.5) 0.24
 Neonatal death 1 (0.6) 1 (0.6) 0 (0) 0 (0) 1 (0.5) 0.74
  1. aWomen with miscarriage were not included in the analysis of other outcomes
  2. CS caesarean section, NICU neonatal intensive care unit