Table 4 Statistical characteristics of prenatal detection of neonatal urogenital abnormalities (N = 175)
From: Efficacy of prenatal ultrasonography in diagnosing urogenital developmental anomalies in newborns
Type of anomalies |  | I. totally discovered | II. + III. not discovered | Sensitivity | Specificity | Positive predictive value | Negative predictive value | ||
|---|---|---|---|---|---|---|---|---|---|
| Â | Cases | n | % | n | % | Â | Â | ||
Hydronephrosis | 59 | 44 | 74.58% | 15 | 25.42% | 74.58% | 98.87% | 17.05% | 99.92% |
Other obstructive | 18 | 16 | 88.89% | 2 | 11.11% | 88.89% | 99.91% | 47.06% | 99.99% |
Renal dysplasia - multicystic | 17 | 14 | 82.35% | 3 | 17.65% | 82.35% | 99.86% | 34.15% | 99.98% |
Renal dysplasia - polycystic | 3 | 3 | 100.00% | 0 | 0.00% | 100.00% | 99.87% | 11.11% | 100.00% |
Renal agenesis | 16 | 7 | 43.75% | 9 | 56.25% | 43.75% | 99.97% | 58.33% | 99.95% |
Other urinary anomalies | 22 | 3 | 13.64% | 19 | 86.36% | 13.64% | 99.97% | 37.50% | 99.90% |
Male genital anomalies | 26 | 0 | 0.00% | 26 | 100.00% | 0.00% | 99.99% | 0.00% | 99.86% |
Female genital anomalies | 14 | 8 | 57.14% | 6 | 42.86% | 57.14% | 99.99% | 80.00% | 99.97% |
Total | 175 | 95 | 54.29% | 80 | 45.71% | 54.29% | 98.43% | 24.30% | 99.57% |