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Table 3 Inter-rater reliability - ICC values and corresponding confidence intervals

From: Musculoskeletal diagnostic ultrasound imaging for thickness measurement of four principal muscles of the cervical spine -a reliability and agreement study

Muscle Ex1-2ICC (95% CI) Ex1-3 ICC (95% CI) Ex1-4 ICC (95% CI) Ex2–3 ICC (95% CI) Ex2–4 ICC (95% CI) Ex3–4 ICC (95% CI)
Right Lcol .87 (.77–.93) .90 (.83–.94) .86 (.73–.92) .84 (.72–.91) .77 (.63–.86) .84 (.70–91)
Right Rcpm .86 (.71–93) .54 (.23–.75) .65 (.39–.81) .46 (.14–.69) .66 (.33–.83) .43 (.11–.68)
Right Dce .67 (.49–.79) .54 (.32–.71) .63 (.42–.77) .62 (.43–.77) .46 (.22–.64) .54 (.32–.71)
Right Sscap .88 (.72–.95) .89 (.75–.95) .87 (.77–.93) .76 (.33–.89) .85 (.75–.91) .74 (.47–.86)