Table 2. Within-day and between-day session reliability of 2-D knee frontal plane projection angle among normal group and excessive DKV at 45° and 60° SLS.

	Variables	ICC Normal (n =17)	95% CI	ICC Excessive DKV (n = 17)	95% CI
Within-day session reliability	D_45°	0.98	0.96-0.99	0.75	0.31-0.91
	Nd_45°	0.91	0.75-0.97	0.93	0.80-0.97
	D_60°	0.71	0.21-0.89	0.91	0.73-0.97
	Nd_60°	0.75	0.31-0.91	0.70	0.75-0.87
Between-days session reliability	D_45°	0.84	0.14-0.92	0.88	0.67-0.96
	Nd_45°	0.71	0.09-0.87	0.83	0.55-0.94
	D_60°	0.75	0.28-0.91	0.83	0.55-0.94
	Nd_60°	0.81	0.49-0.93	0.84	0.56-0.94

ICC = Intraclass Coefficient; CI = confidence interval; DKV = dynamic knee valgus; D = dominant leg; Nd = non-dominant leg