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. 2020 Jan 22;61(2):129–136. doi: 10.3349/ymj.2020.61.2.129

Table 3. Absolute Difference and ICC between the WHUS and the Standard Device.

Sample size (n) Absolute difference (mm) pabs R pR ICC
WHUS vs. Standard (reference) 100 -0.158±0.228 <0.050 0.858 <0.001 0.960
Observer A vs. observer B 26 0.024±0.078 0.109 0.991 <0.001 0.988
Observer A vs. observer C 7 0.028±0.116 0.406 0.777 0.005 0.998
Observer B vs. observer C 7 -0.009±0.035 0.445 0.760 0.007 0.978

WHUS, wireless handheld ultrasound; ICC, intraclass correlation coefficient; pabs, p value of absolute difference; pR, p value of correlation coefficient R.