Comparison of the readability of ChatGPT and Bard in medical communication: a meta-analysis.

BMC Med Inform Decis Mak · 2025 · PMC12403948 · PMID 40890707

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hedged sentences

0.0500

closest p · 1.0× alpha

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boldest claim

The sentences

borderline significantp = 0.05actually significant

FKGL of simplified texts of ChatGPT-3.5/-4.0 and Bard/Gemini was borderline significant (MD:-1.59; CI:-3.15,-0.04; p = 0.05) and subgroup-analysis between ChatGPT-4.0 and Bard was not significant (MD:-1.68; CI:-3.53,0.17; p = 0.07).

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borderline significanceno p-value reported

However, there is a borderline significance in FKGL in simplified texts of ChatGPT-3.5/-4.0 and Bard with a MD of -1.59.

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