Research Article
Assessment of Intermingled Phlegm and Blood Stasis Syndrome in Coronary Heart Disease: Development of a Diagnostic Scale
Table 2
Performance of the IPBSS scoring system at various cut-off values.
| IPBSS score | Sensitivity | Specificity | Youden index |
| 16.5 | 0.872 | 0.443 | 0.315 | 17.5 | 0.844 | 0.479 | 0.323 | 18.5 | 0.826 | 0.508 | 0.334 | 19.5 | 0.802 | 0.554 | 0.356 | 20.5 | 0.774 | 0.581 | 0.355 | 21.5 | 0.745 | 0.608 | 0.353 | 22.5 | 0.728 | 0.644 | 0.372 | 23.5 | 0.713 | 0.678 | 0.391 | 24.5 | 0.69 | 0.702 | 0.392 | 25.5 | 0.676 | 0.724 | 0.400 | 26.5 | 0.646 | 0.741 | 0.387 | 27.5 | 0.62 | 0.763 | 0.383 | 28.5 | 0.583 | 0.794 | 0.377 | 29.5 | 0.561 | 0.801 | 0.362 | 30.5 | 0.523 | 0.809 | 0.332 | 31.5 | 0.49 | 0.826 | 0.316 |
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