Rotator Cuff Surgery and Artificial Intelligence: A Comparative Analysis of Quality and Readability Between ChatGPT and Gemini.

Rev Bras Ortop (Sao Paulo) · 2026 · PMC13271820 · PMID 42311820

Europe PMC DOI

hedged sentence

0.1740

closest p · 3.5× alpha

0.1740

boldest claim

The sentences

did not reach statistical significancep = 0.174not close (p > 0.1)

Although the difference did not reach statistical significance (W = 6.0; p = 0.174), the effect size was maximal (rank-biserial correlation [rrb] = 1.0; 95%CI: 0.554–1.000), indicating a consistent trend toward better performance by ChatGPT ( Table 2 ).

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