Table 10 Effects of maternal ethnicity, weight, height, body mass index (BMI), parity, and age on fetal femur length (FL)
From: Fetal age assessment based on 2nd trimester ultrasound in Africa and the effect of ethnicity
Maternal factor | Mean | 95%CI | SD | p-value | |
|---|---|---|---|---|---|
Ethnicity | 0.24 | ||||
Fulani | 24.53 | 22.89 | 26.17 | 7.7 | |
Kirdi | 25.79 | 24.18 | 27.41 | 8.0 | |
Weight (centiles) | 0.20 | ||||
< 10 | 23.33 | 19.95 | 26.72 | 8.4 | |
10–90 | 25.26 | 23.96 | 26.57 | 7.8 | |
90+ | 26.53 | 22.97 | 30.08 | 7.8 | |
Height (centiles) | 0.22 | ||||
< 10 | 24.05 | 20.66 | 27.44 | 8.4 | |
10–90 | 25.18 | 23.84 | 26.52 | 7.8 | |
90+ | 26.04 | 22.99 | 29.09 | 7.6 | |
BMI (centiles) | 0.60 | ||||
< 10 | 21.61 | 17.99 | 25.24 | 7.3 | |
10–90 | 25.45 | 24.17 | 26.73 | 7.7 | |
90+ | 26.42 | 22.89 | 29.95 | 8.3 | |
Parity | 0.11 | ||||
0 | 23.95 | 23.02 | 24.88 | 8.7 | |
1 | 24.21 | 23.37 | 25.05 | 7.7 | |
2 | 24.77 | 23.62 | 25.92 | 7.7 | |
3 | 23.88 | 22.77 | 24.99 | 5.6 | |
4 | 24.63 | 23.40 | 25.86 | 8.2 | |
5+ | 25.63 | 24.53 | 26.73 | 7.4 | |
Age | 0.17 | ||||
-19 | 25.32 | 23.91 | 26.74 | 8.6 | |
20–24 | 24.91 | 24.15 | 25.66 | 7.8 | |
25–29 | 24.62 | 23.98 | 25.27 | 7.9 | |
30–34 | 23.99 | 23.03 | 24.96 | 8.3 | |
35+ | 23.71 | 22.27 | 25.15 | 7.1 |