Table 3.
Perinatal outcomes in women with body mass index (BMI) ≥60 kg/m2 and comparison women (BMI >50–59.9 kg/m2)
| Number (%) of women with BMI ≥60 kg/m2 | Number (%) of women with BMI >50–59.9 kg/m2 | Unadjusted OR | 95% CI | P Values | ||
| Perinatal death* | No | 112 (98.2) | 815 (98.5) | 1 | ||
| Yes | 2 (1.8) | 10 (1.2) | 1.46 | (0.31 to 6.74) | 0.631 | |
| Missing | 0 (0) | 2 (0.2) | ||||
| Stillbirth ≥24 weeks gestation* | No | 112 (98.2) | 818 (98.9) | 1 | ||
| Yes | 2 (1.8) | 7 (0.8) | 2.09 | (0.43 to 10.19) | 0.363 | |
| Missing | 0 (0) | 2 (0.2) | ||||
| Preterm birth | No | 101 (90.2) | 730 (89) | 1 | ||
| Yes | 10 (8.9) | 87 (10.6) | 0.83 | (0.36 to 1.94) | 0.668 | |
| Missing | 1 (0.9) | 3 (0.4) | ||||
| Very preterm birth | No | 111 (99.1) | 804 (98) | Omitted | ||
| Yes | 0 (0) | 13 (1.6) | ||||
| Missing | 1 (0.9) | 3 (0.4) | ||||
| Birth weight | Mean (Std) | 3683.0 (752.1) | 3603.7 (715.0) | Omitted | ||
| Macrosomia (>4500 g) | No | 98 (87.5) | 746 (91.0) | 1 | ||
| Yes | 14 (12.5) | 72 (8.8) | 1.48 | (0.80 to 2.73) | 0.211 | |
| Missing | 0 (0) | 2 (0.2) | ||||
| Shoulder dystocia | No | 44 (39.3) | 373 (45.5) | 1 | ||
| Yes | 1 (0.9) | 19 (2.3) | 0.45 | (0.06 to 3.42) | 0.438 | |
| Not applicable | 66 (58.9) | 424 (51.7) | ||||
| Missing | 1 (0.9) | 4 (0.5) | ||||
| Congenital abnormality | No | 107 (95.5) | 797 (97.2) | 1 | ||
| Yes | 3 (2.7) | 13 (1.6) | 1.72 | (0.48 to 6.14) | 0.404 | |
| Missing | 2 (1.8) | 10 (1.2) | ||||
| Infant respiratory problem | No | 109 (97.3) | 797 (97.2) | 1 | ||
| Yes | 3 (2.7) | 18 (2.2) | 1.22 | (0.35 to 4.21) | 0.755 | |
| Missing | 0 (0) | 5 (0.6) | ||||
| Apgar score <7 at 5 min | No | 105 (93.8) | 778 (94.9) | 1 | ||
| Yes | 2 (1.8) | 25 (3.0) | 0.59 | (0.14 to 2.54) | 0.482 | |
| Missing | 5 (4.5) | 17 (2.1) |
OR estimated using robust standard errors.
*Denominator is birth (including multiple births) and stillbirths n=941. Denominator in the remainder of the table is live births (including multiple births).