Table 3.
Assessment of the CSI cutoff scores for the total group and per sex, comparing patients with CSS+ and healthy volunteers.
| Total Group (N = 1730) vs. Healthy Volunteers (N = 250); AUC: 0.953 | |||
|---|---|---|---|
| Cutoff Score | Youden Index | Sensitivity | Specificity |
| 28 | 0.7775 | 0.8855 | 0.8920 |
| 29 | 0.7785 | 0.8705 | 0.9080 |
| 30 | 0.7818 | 0.8538 | 0.9280 |
| 31 | 0.7701 | 0.8341 | 0.9360 |
| 32 | 0.7648 | 0.8208 | 0.9440 |
| Women (N = 1213) vs. Healthy Female Volunteers (N = 157) AUC: 0.956 | |||
| Cutoff Score | Youden Index | Sensitivity | Specificity |
| 30 | 0.7913 | 0.8805 | 0.9108 |
| 31 | 0.7851 | 0.8615 | 0.9236 |
| 32 | 0.7782 | 0.8483 | 0.9299 |
| 33 | 0.7934 | 0.8252 | 0.9682 |
| 34 | 0.7736 | 0.8054 | 0.9682 |
| 35 | 0.7505 | 0.7824 | 0.9682 |
| Men (N = 517) vs. Healthy Male Volunteers (N = 93) AUC: 0.947 | |||
| Cutoff Score | Youden Index | Sensitivity | Specificity |
| 23 | 0.7497 | 0.9110 | 0.8387 |
| 24 | 0.7674 | 0.9072 | 0.8602 |
| 25 | 0.8037 | 0.8897 | 0.9140 |
| 26 | 0.7883 | 0.8743 | 0.9140 |
| 27 | 0.7708 | 0.8569 | 0.9140 |
Abbreviations: N: number; CSI: central sensitization inventory; CSS: central sensitivity syndromes; AUC: area under the curve. Statistics: ROC analyses were used to calculate AUC, sensitivity and specificity, and the Youden index.