Table 1 Patient characteristics
Characteristics, n = 169 | |
|---|---|
Age at 1st ultrasound (days) | 12.3 (0–15) |
Age at 2nd ultrasound (months) | 3.2(2.5–4.1) |
Age at radiograph (months) | 6.6 (4.3–7.1) |
Female | 95 (56%) |
Gestational age (weeks) | 38.3 (26–41) |
Birth weight (gram) | 2948.2 (1418–4218) |
Twins | 8 (5%) |
Firstborn | 63 (37%) |
Breech presentation | 23 (14%) |