Table 1 Head circumference (HC), Abdominal circumference (AC), Femur length (FL) and Estimated Fetal Weight (EFW) values expressed as mean and SD of Z-scores according to the two different GA estimation [20, 21] and paired t-test comparison
From: The impact of optimal dating on the assessment of fetal growth
Robinson-based GA assessment | Intergrowth-based GA assessment | Within-subject differencesa: Mean (SD) | p value | |
|---|---|---|---|---|
Head circumference (HC) (n = 3522) | −0.0251 (1.057) | − 0.1484 (1.056) | −0.1251 (0.075) | < 10− 4 |
Abdominal circumference (AC) (n = 3522) | 0.4808 (0.990) | 0.3675 (0.979) | −0.1150 (0.065) | < 10− 4 |
Femur length (FL) (n = 3522) | 0.5236 (1.021) | 0.3989 (1.021) | −0.1267 (0.072) | < 10−4 |
Estimated foetal weight (EFW) (n = 3522) | 0.4424 (1.008) | 0.2898 (1.005) | −0.1548 (0.090) | < 10−4 |