Table 2 Diagnostic accuracy of ISG 1990 and ICBD 2014 criteria in Birmingham cohort
ISG (95% CI) | ICBD (95% CI) | |
|---|---|---|
Sensitivity | 77.9% (71.3 to 83.6) | 97.9% (94.7 to 99.4) |
Specificity | 69.1% (58.0 to 78.7) | 19.1% (11.3 to 29.1) |
Positive Likelihood ratio | 2.52 (1.85 to 3.53) | 1.21 (1.10 to 1.28) |
Negative Likelihood ratio | 0.32 (0.24 to 0.43) | 0.11 (0.03 to 0.34) |
Disease prevalence | 69.3% (63.5 to 74.8) | 69.3% (63.5 to 74.8) |
Positive Predictive Value | 85.1% (78.9 to 90.0) | 73.2 (67.3 to 78.6) |
Negative Predictive Value | 58.0 (47.7 to 67.8) | 80.0 (56.3 to 94.3) |