Table 2

Baseline quality of life scores in surgical and non-surgical osteoarthritis participants

Mean scoreNon-surgical (n = 83)Surgical (n = 258)p Value
Values are mean (SD).
MOS SF-36, medical outcomes study SF-36 health survey; WOMAC, Western Ontario and McMaster Universities osteoarthritis index.
WOMAC pain7.19 (3.7)10.2 (3.9)<0.0001
WOMAC stiffness3.2 (1.6)4.7 (1.7)<0.0001
WOMAC function23.5 (13.2)36.8 (12.8)<0.0001
MOS SF-36 domains
    Physical function50.1 (25.3)26.0 (18.6)<0.0001
    Role physical42.4 (42.6)16.0 (29.5)<0.0001
    Bodily pain50.8 (24.2)33.3 (19.8)<0.0001
    General health65.68 (21.2)70.1 (19.6)0.143
    Vitality55.0 (18.5)47.2 (26.3)0.035
    Social function76.6 (25.0)60.5 (28.0)<0.0001
    Role emotional70.2 (40.5)58.8 (44.6)0.079
    Mental health77.8 (15.1)72.7 (19.6)0.067
MOS SF-36 physical summary35.7 (11.5)28.7 (6.4)p<0.0001
MOS SF-36 mental summary53.6 (10.4)48.8 (6.2)p<0.0001