Table 3.

Results of the Intraclass correlation coefficient analysis.

References	ICC	95% CI
Byrne et al. (18)	0.907	0.663–0.986
Ellingson et al. (19)	0.977	0.920–0.986
Essig et al. (20)	0.982	0.937–0.997
Fouke et al. (21)	0.992	0.970–0.999
Mukundan et al. (22)	0.992	0.972–0.999
Ryken et al. (23)	0.991	0.969–0.999
Thust et al. (24)	0.993	0.973–0.999

ICC, intraclass correlation coefficient; CI, confidence interval.