Table 5 Agreement and reliability of fetal biometrics z scores using Intergrowth 21st and Salomon equations in the third trimester
From: Fetal biometry assessment with Intergrowth 21st’s and Salomon’s equations in rural Burkina Faso
Anthropometrics | Mean ± SD | p-value* | Median (IQR) | p-value† | Range |
|---|---|---|---|---|---|
Biparietal diameter | |||||
Intergrowth 21 | −0.91 ± 0.70 | −0.89 (−1.31; −0.44) | −2.62; 0.78 | ||
Salomon | − 0.53 ± 0.64 | −0.49 (− 0.90; − 0.11) | −2.10; 1.00 | ||
Difference | −0.39 ± 0.07 | < 0.001 | −0.38 (− 0.44; − 0.34) | < 0.001 | −0.53; − 0.22 |
LOA | −0.52; − 0.25 | ||||
ICC | 0.85 | ||||
Abdominal circumference | |||||
Intergrowth 21 | 0.81 ± 0.71 | 0.75 (0.29; 1.21) | −0.95; 2.89 | ||
Salomon | 0.35 ± 0.43 | 0.36 (0.02; 0.63) | −0.68; 1.45 | ||
Difference | 0.45 ± 0.31 | < 0.001 | 0.37 (0.25; 0.64) | < 0.001 | −0.27; 1.48 |
LOA | −0.16; 1.07 | ||||
ICC | 0.66 | ||||
Head circumference | |||||
Intergrowth 21 | 0.76 ± 0.70 | 0.70 (0.39; 1.21) | −0.87; 2.49 | ||
Salomon | 0.85 ± 0.48 | 0.79 (0.58; 1.17) | −0.28; 2.05 | ||
Difference | −0.09 ± 0.22 | < 0.001 | − 0.09 (− 0.18; 0.07) | 0.001 | −0.59; 0.44 |
LOA | −0.52; 0.35 | ||||
ICC | 0.92 | ||||
Femur length | |||||
Intergrowth 21 | 1.09 ± 1.15 | 1.15 (0.53; 1.75) | −2.44; 3.55 | ||
Salomon | 0.07 ± 0.90 | 0.13 (−0.38; 0.55) | − 2.54; 2.02 | ||
Difference | 1.02 ± 0.26 | < 0.001 | 1.04 (0.91; 1.16) | < 0.001 | 0.10; 1.53 |
LOA | 0.50; 1.53 | ||||
ICC | 0.65 | ||||