Table 3 Validity of hospital discharge data for identifying infants with CAs and CHDs
From: Congenital anomalies among live births in a polluted area. A ten-year retrospective study
Cases identified through Hospital Discharge Data | Gold Standard (NICU) | ||||
|---|---|---|---|---|---|
Yes | % | No | % | Total | |
ALL CONGENITAL ANOMALIES | |||||
Yes | 45 | 73.8 | 16 | 26.2 | 61 |
No | 20 | 2.1 | 913 | 97.9 | 933 |
Total | 65 | 6.5 | 929 | 93.5 | 994 |
Sensitivity | 69.2% | Â | Positive predictive value | 73.8% | |
95% CI (57.3 - 79.5) | Â | 95% CI (61.7 - 83.6) | |||
Specificity | 98.3% | Â | Negative predictive value | 97.9% | |
| Â | 95% CI (61.7 - 83.6) | Â | 95% CI (96.8 - 98.7) | ||
CONGENITAL HEART DISEASE | |||||
Yes | 24 | 85.7 | 4 | 14.3 | 28 |
No | 1 | 0.1 | 965 | 99.9 | 966 |
Total | 25 | 2.5 | 969 | 97.5 | 994 |
Sensitivity | 96.0% | Â | Positive predictive value | 85.7% | |
95% CI (81.8 - 99.8) | Â | 95% CI (69.1 - 95.3) | |||
Specificity | 99.6% | Â | Negative predictive value | 99.9% | |
| Â | 95% CI (99.2 - 99.9) | Â | 95% CI (99.5 - 100.0) | ||