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Average impact of articles written with or without ChatGPT.
| Articles with an impact factor | Values, n (%) | Median (IQR) | Range |
| Written without ChatGPT | 120 | 5.622a (3.282-13.89) | 0.646-96.216 |
| Written with ChatGPT | 18 | 4.403a (3.499-7.188) | 1.15-29.983 |
aIndicates nonsignificant P values. The Levene test (P=.001) indicated that the t test, although primarily significant (P=.003), was not robust, so statistical significance was also calculated using the Mann-Whitney U test (P=.4).
