Comparison of clinical characteristics of symmetric and asymmetric macrosomic infants by WLR
| Clinical characteristics | Symmetric by WLR (n=1020) | Asymmetric by WLR (n=1746) | p Value |
|---|---|---|---|
| Mean maternal age, years (SD) | 30.38 (5.0) | 30.82 (5.12) | 0.027 |
| Birth weight, g, median (range) | 4080 (4000–4500) | 4210 (4000–5370) | <0.001 |
| Mean head circumference, cm (SD) | 35.88 (1.01) | 35.92 (1.02) | 0.29 |
| Mean length, cm (SD) | 53.1 (1.16) | 52.16 (1.45) | <0.001 |
| AGA according to length, n (%) | 614 (60.2) | 1172 (67.1) | <0.001 |
| AGA according to weight, n (%) | 923 (90.5) | 496 (28.4) | <0.001 |
| Mean WLR, kg/m (SD) | 7.73 (0.17) | 8.16 (0.32) | <0.001 |
| Male, n (%) | 855 (83.8) | 1022 (58.5) | <0.001 |
| Vaginal delivery, n (%) | 736 (72.2) | 992 (56.8) | <0.001 |
| Caesarean delivery, n (%) | 213 (20.9) | 686 (39.3) | <0.001 |
| Instrumental delivery, n (%) | 71 (7) | 68 (3.9) | <0.001 |
| Birth during high-risk time period, n (%) | 711 (75.4) | 1111 (69.4) | 0.001 |
AGA, appropriateness for gestational age; WLR, weight/length ratio.