Table 3 Accuracy of symphysis-fundus height in predicting small-for-gestational-age status (birth weight < 10th 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 | 0.64 (0.49-0.78) | 0.79 (0.74-0.83) | 3.05 (2.26-4.12) | 0.45 (0.30-0.67) | 6.76 (3.48-13.14) |
Pearce et al. [28] | 699 | 0.76 (0.66-0.84) | 0.79 (0.75-0.82) | 3.61 (2.99-4.37) | 0.30 (0.21-0.43) | 11.89 (7.22-19.58) |
Stuart et al. [32] | 1139 | 0.51 (0.40-0.61) | 0.88 (0.86-0.90) | 4.19 (3.22-5.46) | 0.56 (0.45-0.70) | 7.45 (4.71-11.80) |
Two consecutive values or three isolated values < 10th percentile | ||||||
Calvert et al. [25] | 381 | 0.36 (0.22-0.51) | 0.94 (0.91-0.96) | 5.69 (3.21-10.07) | 0.69 (0.55-0.86) | 8.28 (3.90-17.58) |
Rosenberg et al. [31] | 761 | 0.56 (0.41-0.70) | 0.85 (0.82-0.87) | 3.65 (2.70-4.92) | 0.52 (0.38-0.71) | 7.01 (3.87-12.71) |
One value ≥ 3 cm below mean | ||||||
Jensen et al. [27] | 831 | 0.41 (0.31-0.51) | 0.87 (0.85-0.90) | 3.25 (2.38-4.42) | 0.68 (0.57-0.80) | 4.78 (3.01-7.59) |
One value ≥ 3 cm below mean or three consecutive static or falling values | ||||||
Calvert et al. [25] | 381 | 0.76 (0.60-0.87) | 0.60 (0.55-0.66) | 1.91 (1.54-2.36) | 0.40 (0.24-0.68) | 4.72 (2.31-9.64) |
Rogers et al. [30] | 250 | 0.73 (0.52-0.88) | 0.92 (0.88-0.95) | 9.09 (5.51-15.00) | 0.29 (0.16-0.55) | 31.06 (11.53-83.72) |
One value > two SDs below mean | ||||||
Persson et al. [29] | 2919 | 0.27 (0.21-0.32) | 0.88 (0.87-0.89) | 2.22 (1.77-2.78) | 0.83 (0.77-0.90) | 2.66 (1.97-3.58) |