Table 3 Factors associated with mWHO grade
WHO Grade | |||||
|---|---|---|---|---|---|
N | Controls | 1–2 | 3–4 | p-Value | |
Age at Delivery | 5413 | 28.5 ± 5.1 | 29.4 ± 5.9 | 30.1 ± 5.8 | 0.012 |
BMI | 4579 | 24.4 (21.9–27.6) | 26.2 (22.1–31.5) | 27.4 (23.8–32.3) | < 0.001 |
Parity | 5384 | < 0.001 | |||
0 | 2584 (49.3%) | 32 (33.0%) | 21 (43.8%) | ||
1 | 1569 (29.9%) | 35 (36.1%) | 9 (18.8%) | ||
2 | 664 (12.7%) | 17 (17.5%) | 10 (20.8%) | ||
3+ | 422 (8.1%) | 13 (13.4%) | 8 (16.7%) | ||
Gestation at Delivery (Completed weeks) | 5412 | < 0.001 a | |||
< 40 Weeks | 2088 (39.7%) | 79 (76.0%) | 45 (83.3%) | ||
40+ Weeks | 3166 (60.3%) | 25 (24.0%) | 9 (16.7%) | ||
Baby Weight (g) | 5407 | 3404 ± 431 | 3150 ± 641 | 2741 ± 641 | < 0.001 |
Mode of delivery | 5413 | 0.002 b | |||
Spontaneous Vaginal | 4054 (77.2%) | 53 (50.5%) | 23 (42.6%) | ||
Ventouse | 309 (5.9%) | 9 (8.6%) | 2 (3.7%) | ||
Forceps | 528 (10.0%) | 6 (5.7%) | 5 (9.3%) | ||
Caesarean Section | 363 (6.9%) | 37 (35.2%) | 24 (44.4%) | ||
Manual Removal | 5413 | 0.297b | |||
No | 5219 (99.3%) | 104 (99.0%) | 53 (98.1%) | ||
Yes | 35 (0.7%) | 1 (1.0%) | 1 (1.9%) | ||