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.