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| Scoring system | Variables included | Score range | Area under the ROC curve | 95% CI | Pa |
|---|---|---|---|---|---|
| Chen et al. (this study) | 5 | 0-10 | 0.75 | 0.69-0.82 | |
| Cai et al. (6) | 8 | 0-14 | 0.65 | 0.58-0.72 | 0.036 |
| Betés et al. (11) | 3 | 0-8 | 0.71 | 0.64-0.78 | 0.342 |
| Lin et al. (12) | 3 | 0-6 | 0.71 | 0.64-0.77 | 0.312 |
95% CI, 95% confidence interval; a, the other scoring systems were compared with the system established in this study.
