Table 3 Specificity, PPV, and NPV of all overcrowding scores for total adverse events from code activations
Overcrowding scores | Cut point | Overcrowding; Period (%) | Sensitivity; % (95% CI) | Specificity; %(95% CI) | PPV; %(95% CI) | NPV; %(95% CI) | p-value |
|---|---|---|---|---|---|---|---|
EDOR | 0.781 | 112 (24.4) | 40.6 (23.7–59.4) | 76.8 (72.5–80.7) | 11.6 (6.3–19.0) | 94.5 (1.6–96.7) | 0.033 |
EDWIN | 0.582 | 117 (25.5) | 28.1 (13.7–46.7) | 74.7 (70.3–77.8) | 7.7 (3.6–14.1) | 93.3 (90.1–95.7) | 0.679 |
Modified EDWIN | 0.590 | 118 (25.7) | 34.4 (18.6–53.2) | 74.9 (70.5–79.0) | 9.3 (4.8–16.1) | 93.8 (90.7–96.1) | 0.293 |
Work Score | 1.651 | 149 (32.5) | 40.6 (23.7–59.4) | 68.1 (63.5–72.5) | 8.7 (4.7–14.5) | 93.9 (90.6–96.3) | 0.330 |