Single-leg hop distance normalized to body height is associated with the return to sports after anterior cruciate ligament reconstruction

Journal of Experimental Orthopaedics

Table 3 Relationship between return-to-sports status and single-leg hop for distance on the operated side

		RTS status
	SLHD on the operated side (% body height)	YRTS	NRTS	P-value	χ² value
Cut-off 100%	≥ 100	6	3	-	-
Cut-off 100%	< 100	37	27
Cut-off 90%	≥ 90	12	5	0.264	1.250
Cut-off 90%	< 90	31	25
Cut-off 80%	≥ 80	23	11	0.156	2.010
Cut-off 80%	< 80	20	19
Cut-off 70%	≥ 70	35	15	0.004	8.071
Cut-off 70%	< 70	8	15
Cut-off 60%	≥ 60	42	22	-	-
Cut-off 60%	< 60	1	8

ACLR anterior cruciate ligament reconstruction, RTS return-to-sports, YRTS yes‒return-to-sports, NRTS no‒return-to-sports, SLHD single-leg hop distance