Table 4 Accuracy of symphysis-fundus height in predicting small-for-gestational-age status (birth weight < 5th percentile) with 95% confidence intervals
SF cut-off | n | Sensitivity | Specificity | Positive LR | Negative LR | DOR |
|---|---|---|---|---|---|---|
One value < 10th percentile | ||||||
Calvert et al. [25] | 381 | 0.60 (0.39-0.79) | 0.76 (0.71-0.80) | 2.51 (1.74-3.64) | 0.53 (0.32-0.85) | 4.78 (2.07-11.04) |
Two consecutive values or three isolated values < 10th percentile | ||||||
Calvert et al. [25] | 381 | 0.36 (0.18-0.57) | 0.92 (0.89-0.95) | 4.58 (2.43-8.61) | 0.69 (0.52-0.93) | 6.59 (2.67-16.26) |
One value ≥ 3 cm below mean or three consecutive static or falling values | ||||||
Calvert et al. [25] | 381 | 0.72 (0.51-0.88) | 0.58 (0.53-0.63) | 1.72 (1.31-2.26) | 0.48 (0.26-0.91) | 3.57 (1.46-8.77) |