Table 1 Maternal demographics, pertinent laboratory data and underlying diseases
From: Maternal complications and risk factors associated with assisted vaginal delivery
Data | n = 3500 |
|---|---|
Maternal age (y) | 28.94 ± 6.09 (14, 48) |
Body weight (kg) | 68.77 ± 11.64 (41.80, 133.30) |
BMI (kg/m2) | 27.18 ± 4.21 (16.96, 49.26) |
Parity | |
0 ≥ 1 | 1663 (47.5%) 1837 (52.5%) |
Gestational age at delivery (wk) | |
< 37 ≥ 37 | 104 (3.0%) 3396 (97.0%) |
Number of antenatal care visits | |
0–4 > 4 | 255 (7.3%) 3245 (92.7%) |
Haemoglobinopathy | |
Normal Hb H disease Beta thalassaemia Hb E trait Alpha thalassaemia Other | 2459 (70.3%) 8 (0.2%) 46 (1.3%) 620 (17.7%) 203 (5.8%) 164 (4.7%) |
HBs antigen | |
Negative Positive | 3414 (97.5%) 86 (2.5%) |
Anti-HIV | |
Non-reactive Reactive | 3481 (99.5%) 19 (0.5%) |
Haematocrit | |
≤ 33% > 33% Missing data | 622 (17.8%) 2831 (80.9%) 47 (1.3%) |
Maternal underlying disease | |
Heart disease Thyroid disease Pulmonary disease Myoma uteri Ovarian tumours/cysts Others | 27 (0.8%) 72 (2.1%) 6 (0.2%) 56 (1.6%) 9 (0.3%) 3 (0.13%) |