Table 2. Diagnostic efficiency of Mini-SPIN.
The table shows sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), likelihood ratio positive (LR+), likelihood ratio negative (LR-) and Youden’s Index (J).
| Cutoff | Sensitivity | Specificity | PPV | NPV | LR+ | LR- | J |
|---|---|---|---|---|---|---|---|
| ≥3 | 147/147 = 100.0 | 142/207 = 68.6 | 147/(212) = 69.3 | 142/(142) = 100.0 | 3.18 | - | .69 |
| ≥4 | 144/147 = 98.0 | 179/207 = 86.5 | 144/(162) = 83.7 | 179/(182) = 98.4 | 7.24 | .02 | .85 |
| ≥5 | 119/147 = 90.0 | 198/207 = 95.7 | 119/(128) = 93.0 | 198/(226) = 87.6 | 18.62 | .20 | .86 |
| ≥6 | 96/147 = 65.3 | 204/207 = 98.6 | 96/(99) = 97.0 | 204/(255) = 80.0 | 45.06 | .35 | .64 |
| ≥7 | 69/147 = 46.9 | 206/207 = 99.5 | 69/(70) = 98.6 | 206/(284) = 72.5 | 9.26 | .56 | .46 |
| ≥8 | 54/147 = 36.7 | 207/207 = 100.0 | 54/(54) = 100.0 | 207/(300) = 69.0 | - | .63 | .37 |