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Cutoff value for Hb
| Statistical indicators | Indicator value |
|---|---|
| Cutoff value | 75.25 (ng/pocket) |
| Area under the curve | 0.712 |
| Sensitivity | 0.671 |
| Specificity | 0.724 |
| Positive predictive value | 0.708 |
| Negative predictive value | 0.688 |
| Proper diagnosis rate | 0.697 |
| Likelihood ratio | 2.431 |
Analysis results using the ROC curve for healthy sites (defined as PD ≥ 4 mm, BOP (−); n = 76) and diseased sites (defined as PD ≤ 4 mm, BOP (+); n = 76)
