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Agreement among the usefulness responses of reviewers for ChatGPT and UpToDate
| Coefficient | Value | 95% CI | Interpretation |
|---|---|---|---|
| ChatGPT | |||
| Gwet's AC1 | 0.86 | (0.78–0.93) | Substantial |
| Percent agreement | 0.92 | (0.89–0.97) | Almost perfect |
| Kappa | 0.65 | (0.41–0.90) | Moderate |
| UpToDate | |||
| Gwet's AC1 | 0.55 | (0.32–0.78) | Fair |
| Percent agreement | 0.73 | (0.61–0.84) | Substantial |
| Kappa | 0.30 | (0.02–0.60) | Slight |
AC agreement coefficient
