Participant characteristics
| NP (n=24) | Non-NP (n=48) | P value | |
| Demographics | |||
| Age (years), mean (SD) | 64.5 (6.9) | 65.7 (7.3) | 0.491 |
| BMI, mean (SD) | 30.7 (5.9) | 29.1 (6.2) | 0.295 |
| Female, n (%) | 20 (83%) | 38 (79%) | 0.761* |
| Matching variables | |||
| KOOS pain, mean (SD) | 50.8 (15.1) | 49.8 (13.1) | 0.777 |
| SF-36 pain, mean (SD) | 34.1 (22.8) | 39.8 (16.8) | 0.285 |
*Fisher’s exact test.
BMI, body mass index; KOOS, Knee injury and Osteoarthritis Outcome Score; non-NP, matched controls; NP, neuropathic pain; SF-36, Short form 36.