Table 4 Accuracy of the Prediction Score of the Nomogram for Estimating the Risk of Sleep Disturbance Presence
Variable | Value(95%CI) | |
|---|---|---|
Training Cohort | Validation Cohort | |
Area under ROC curve, concordance index | 0.90(0.86–0.93) | 0.89(0.83–0.95) |
Cutoff value | 0.53 | 0.55 |
Sensitivity, % | 83.9(77.5,88.8) | 88.8(79.2,94.4) |
Specificity, % | 83.1(75.0,89.0) | 74.0(59.4,84.9) |
Positive predictive value, % | 87.8(81.7,92.1) | 84.5(74.6,91.2) |
Negative predictive value, % | 78.0(69.8,84.6) | 80.4(65.6,90.1) |
Positive likelihood ratio | 4.95 | 3.41 |
Negative likelihood ratio | 0.19 | 0.15 |