Table 2.

Test-retest reliability of the Lysholm knee scale

Lysholm knee scale	Mean ± SD		Reliability
	Test 1	Test 2	p values	Intraclass correlation coefficient
Pain	11.78 ± 11.1	13.63 ± 10.8	< 0.001	0.72
Instability	17.90 ± 7.1	17.88 ± 6.8	< 0.001	0.71
Locking	11.68 ± 3.7	11.37 ± 4.0	< 0.001	0.84
Stair climbing	6.85 ± 3.0	6.71 ± 4.2	< 0.001	0.49
Limp	3.73 ± 1.9	3.76 ± 1.4	< 0.001	0.81
Support	5.05 ± 0.9	4.88 ± 0.5	0.030	0.50
Swelling	7.30 ± 4.4	7.50 ± 4.4	< 0.001	0.96
Squatting	3.20 ± 2.3	2.83 ± 1.8	< 0.001	0.64
Overall Lysholm knee scale	69.33 ± 20.6	67.71 ± 19.0	< 0.001	0.82