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. 2023 Mar 11;8:20230008. doi: 10.2490/prm.20230008

Table 3.  Inter-rater reliability based on ICC values for measurement of quadriceps thickness by US.

Quadriceps thickness, cm ICC(2,1) 95% CI ICC(2,3) 95% CI
Rater 1 Rater 2 Rater 3
4.143 ± 0.523 4.289 ± 0.512 4.247 ± 0.492 0.904 0.837–0.940 0.966 0.939–0.979

Data for quadriceps thickness given as mean ± standard deviation.