Table 4

Diagnostic accuracy for a range of risk thresholds of the final model

Risk thresholdSensitivity (95% CI)Specificity (95% CI)Positive predictive valueNegative predictive value
0.0010.98 (0.95 to 0.99)0.21 (0.18 to 0.24)0.140.99
0.0100.98 (0.95 to 0.99)0.42 (0.40 to 0.45)0.180.99
0.0200.97 (0.94 to 0.99)0.50 (0.47 to 0.54)0.200.99
0.0500.93 (0.87 to 0.96)0.63 (0.59 to 0.67)0.250.99
0.0750.88 (0.81 to 0.92)0.72 (0.68 to 0.76)0.290.98
0.1000.81 (0.7 to 30.87)0.79 (0.76 to 0.82)0.330.97
0.115 (prevalence)0.76 (0.67 to 0.83)0.82 (0.79 to 0.85)0.360.96
0.1500.64 (0.56 to 0.73)0.88 (0.85 to 0.90)0.410.95
0.2000.46 (0.38 to 0.55)0.93 (0.91 to 0.94)0.460.93