Table 1

Demographics and preoperative scores, by patient group

Characteristic or test score	WSIB group, n = 38			Non-WSIB group, n = 38			p value

	Mean	SD	Range	Mean	SD	Range
Age, yr	61	7.5	47–78	61	6.9	48–77	0.73

Body mass index	34.5	5.8	24.1–46.1	33.9	5.1	25.2–50.8	0.64

Oxford Knee Score	41.8	7.7	25–53	39.6	6.3	29–48	0.18

Knee Society Score	82.4	26.5	43–151	85	19.4	32–125	0.65

Knee score	38.4	16.8	8–89	39.6	14.7	3–73	0.75

Function score	44	14.2	20–80	45.4	9.1	20–70	0.64

Flexion	103.6	15.2	65–138	109	13.3	75–130	0.44

Pain^*	6.3	1.0	2–7	6.2	1.0	4–7	0.77