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| Statistic | Cut-off score ≥ 27 | Cut-off score ≥ 27.5 | Cut-off score ≥ 28 | Cut-off score ≥ 28.5 | Cut-off score ≥ 29 | |
|---|---|---|---|---|---|---|
| Sensitivity (%) | 88.89 | 87.5 | 88.89 | 80 | 77.78 | |
| Specificity (%) | 63.64 | 64.1 | 64.94 | 64.2 | 66.24 | |
| Positive predictive value (%) | 87.5 | 20.0 | 87.5 | 12.1 | 80.0 | |
| Negative predictive value (%) | 62.8 | 98.0 | 64.1 | 98.1 | 64.2 | |
| Diagnostic efficiency (%) | 65.11 | 64.04 | 66.27 | 62.92 | 65.11 | |
| Prevalence (%) | 9.3 | 8.98 | 9.3 | 5.61 | 5.8 | |
