Table 4.
The MCID by Receiver operating characteristic analysis
| Changes in Long Form Thai UCT score | Patient’s global assessment of disease control (PatGA-LS) score | |||
| Change in score of 1 (minimal responders = 20) | Change in score of 2 (marked responders = 9) | |||
| Sensitivity (%) | Specificity (%) | Sensitivity (%) | Specificity (%) | |
| 1.0 | 90.0 | 74.1 | 100 | 64.7 |
| 2.0 | 90.0 | 81.9 | 100 | 71.3 |
| 3.0 | 85.0 | 85.3 | 88.9 | 75.0 |
| 4.0 | 70.0 | 90.5 | 88.9 | 81.6 |
| 5.0 | 60.0 | 94.8 | 77.8 | 86.8 |
| 6.0 | 45.0 | 97.4 | 77.8 | 91.2 |
| AUC (95 % CI) | 0.86 (0.80-0.98) | 0.92 (0.86-0.99) | ||
| Changes in Short Form Thai UCT score | Patient’s global assessment of disease control (PatGA-LS) score | |||
| Change in score of 1 (minimal responders = 20) | Change in score of 2 (marked responders = 9) | |||
| Sensitivity (%) | Specificity (%) | Sensitivity (%) | Specificity (%) | |
| 1.0 | 80.0 | 79.3 | 100 | 70.6 |
| 2.0 | 75.0 | 88.8 | 100 | 79.4 |
| 3.0 | 60.0 | 95.7 | 88.9 | 87.5 |
| 4.0 | 40.0 | 97.4 | 77.8 | 91.9 |
| 5.0 | 20.0 | 99.1 | 77.8 | 96.3 |
| AUC (95 % CI) | 0.84 (0.80-0.97) | 0.96 (0.92-0.99) | ||
Abbreviations: MCID minimal clinically important difference, AUC (95 % CI): area under the curve (95 % confidence interval)