Prevalence of symptomatic radiographic knee osteoarthritis in older adults
| Study location | Sample | Case definition | Overall prevalence estimate (%) | ||
| Bristol, England10 | M + F aged over 55 registered at one general practice (n=513) | Knee pain + evidence of OA (Ahlback) | 13 | ||
| Nottingham, England20 | M + F aged 40–79 registered at two general practices (n=459) | Knee pain + grade 1+ osteophytes | 19 | ||
| Knee pain + grade 2+ osteophytes | 11 | ||||