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. 2024 Jul 16;7(7):e2422399. doi: 10.1001/jamanetworkopen.2024.22399

Table 2. Basic Computational Linguistics and Lexical Complexity Metrics per Unique Responses in Each Group.

Metric Mean (SD) P value
HCP (n = 117) GenAI (n = 126)
Word count 65.4 (62.6) 90.5 (32.0) .07
Measure of textual lexical diversity 95.4 (58.8) 125.2 (47.8) .002
Flesch-Kincaid grade level 6.5 (3.3) 8.1 (1.6) <.001

Abbreviations: GenAI, generative artificial intelligence; HCP, health care professional.