Table 6. Summary meta-analysis of reliability with confidence interval for extension and flexion of knee in children in concentric mode at 60°/s.

Extension						Weight (%)
Study	Sample size	Correlation coefficient	95% CI	z	P	Fixed	Random
Fagher et al. (2016)[4]	22	0.810	0.590 to 0.918			23.46	21.64
Johnsen et al. (2015)[12]	28	0.870	0.736 to 0.938			30.86	23.18
Santos et al. (2013)[2]	21	0.810	0.582 to 0.920			22.22	21.31
Moreau et al. (2008)[10]	12	0.950	0.827 to 0.986			11.11	16.54
Kellis et al. (1999)[11]	13	0.980	0.933 to 0.994			12.35	17.32
Total (fixed effects)	96	0.888	0.832 to 0.926	12.721	<0.001	100.00	100.00
Total (random effects)	96	0.904	0.799 to 0.955	7.371	<0.001	100.00	100.00
Flexion
Fagher et al. (2016)[4]	22	0.620	0.269 to 0.826			23.46	21.94
Johnsen et al. (2015)[12]	28	0.810	0.626 to 0.909			30.86	23.91
Santos et al. (2013)[2]	21	0.790	0.544 to 0.911			22.22	21.53
Moreau et al. (2008)[10]	12	0.960	0.860 to 0.989			11.11	15.88
Kellis et al. (1999)[11]	13	0.900	0.692 to 0.970			12.35	16.76
Total (fixed effects)	96	0.819	0.733 to 0.879	10.386	<0.001	100.00	100.00
Total (random effects)	96	0.838	0.694 to 0.918	6.626	<0.001	100.00	100.00

95% CI = 95% confidence interval.