Table 1 Performance at different cut-off levels.
From: Sufficient sleep quality easily measured: a multicenter centre study in dutch ICUS
NRS | Sensitivity | Specificity | PPV | NPV |
|---|---|---|---|---|
>1 | 1.0 | 0.24 | 0.65 | 0 |
>2 | 0.99 | 0.26 | 0.65 | 0.94 |
>3 | 0.96 | 0.39 | 0.68 | 0.91 |
>4 | 0.93 | 0.54 | 0.72 | 0.85 |
>5 | 0.83 | 0.79 | 0.84 | 0.76 |
>6 | 0.67 | 0.92 | 0.95 | 0.68 |
>7 | 0.46 | 0.94 | 0.95 | 0.56 |
>8 | 0.12 | 0.96 | 0.9 | 0.44 |
>9 | 0.03 | 0.98 | 1 | 0.42 |