From: Clinical features of symptomatic patellofemoral joint osteoarthritis
Domain | Indicator | Source |
---|---|---|
Risk factors | Age; sex | Â |
 | 1st degree relative with arthritis; previous menisectomy; contralateral TKR | In-clinic face-to-face interview |
 | Body mass index | In-clinic measurement |
 | Clinical hand OA | In-clinic self-complete questionnaire + physical examination |
Clinical history/symptoms | Time since problem onset; gradual onset; problem started following injury; bilateral knee pain; incident pain; duration of morning stiffness; inactivity gelling; reported swelling in past month; reported dramatic swelling ever; locking; giving way | In-clinic face-to-face interview |
 | Pain days in last six months‡; pain, stiffness, aching on most days in the past month; current pain intensity (0 to 10 NRS)‡; significant interference with daily activities in last six months‡; | In-clinic self-complete questionnaire |
 | Whole leg pain; pain walking on a flat surface†; stiffness on waking†; difficulty descending stairs†| Prior postal self-complete questionnaire¶ |
Physical signs | Intercondylar gap in standing; intermalleolar gap in standing; PFJ glide/compression test; presence and severity of palpable knee effusion; fixed flexion deformity; bony enlargement; mediolateral instability; isometric knee extensor strength; isometric knee flexor strength; coarse crepitus; knee flexion ROM; TF joint line tenderness; multiple local tender points§; timed single-leg standing balance | In-clinic physical examination |