Table 2 Fetuses with abnormal z scores using Intergrowth 21st or Salomon equations
From: Fetal biometry assessment with Intergrowth 21st’s and Salomon’s equations in rural Burkina Faso
Anthropometrics | Abnormal z score n (%) | |||
|---|---|---|---|---|
< 2.5th centile | < 10th centile | > 90th centile | > 97.5th centile | |
Biparietal diameter | ||||
Intergrowth 21 | 10 (3.6) | 39 (14.1) | 1 (0.4) | 1 (0.4) |
Salomon | 3 (1.1) | 14 (5.1) | 1 (0.4) | 1 (0.4) |
Mc Nemar test | n.a | < 0.001 | n.a | n.a |
Abdominal circumference | ||||
Intergrowth 21 | 1 (0.4) | 3 (1.1) | 86 (31.2) | 33 (12.0) |
Salomon | 0 (0.0) | 1 (0.4) | 8 (2.9) | 2 (0.7) |
Mc Nemar test | n.a | n.a | < 0.001 | < 0.001 |
Head circumference | ||||
Intergrowth 21 | 0 (0.0) | 1 (0.4) | 68 (24.6) | 19 (6.9) |
Salomon | 0 (0.0) | 0 (0.0) | 52 (18.8) | 4 (1.4) |
Mc Nemar test | n.a | n.a | < 0.001 | < 0.001 |
Femur length | ||||
Intergrowth 21 | 2 (0.7) | 6 (2.2) | 137 (49.6) | 49 (17.8) |
Salomon | 3 (1.1) | 10 (3.6) | 18 (6.5) | 3 (1.1) |
Mc Nemar test | n.a | n.a | < 0.001 | < 0.001 |