Table 1.
Baseline characteristics.
| Characteristics | Category | |
|---|---|---|
| Age (years, mean [SD]) | 62.2 (6.6) | |
| Gender n (%) | Female | 27 (71.1) |
| Ethnicity n (%) | Caucasian | 36 (94.7) |
| Alcohol consumption n (%) | Yes | 30 (78.9) |
| Most symptomatic knee n (%) | Right Knee | 23 (60.5) |
| Left Knee | 15 (39.5) | |
| Years since official diagnosis (median [Min, Max]) | 4.3 (0.2, 29.1) | |
| History of knee trauma in index knee n (%) | No | 24 (63.2) |
| Yes | 14 (36.8) | |
| History of surgical intervention in index knee n (%) | No | 28 (73.7) |
| Yes | 10 (26.3) | |
| Use of any NSAIDS in the previous four weeks n (%) | No | 21 (55.3) |
| Yes | 17 (44.7) | |
| Physically active lifestyle n (%) | Yes | 36 (94.7) |
| KOOS ADL score (mean [SD]) | 58.7 (17.0) | |
| KOOS Pain score (mean [SD]) | 51.3 (12.5) | |
| KOOS QoL score (mean [SD]) | 32.9 (15.7) | |
| KOOS sport and recreation score (mean [SD]) | 28.6 (19.1) | |
| NRS pain score of index knee (mean [SD]) | 6.4 (1.3) | |
| KLG right knee n (%) | Grade 2 | 13 (34.2) |
| Grade 3 | 19 (50.0) | |
| KLG left knee n (%) | Grade 2 | 9 (23.7) |
| Grade 3 | 20 (52.6) | |
| Study knee selected n (%) | Right Knee | 22 (57.9) |
| Left Knee | 16 (42.1) | |
| Clinical findings in study knee: | ||
| Knee Pain n (%) | Yes | 36 (94.7) |
| Stiffness <30 min n (%) | Yes | 22 (57.9) |
| Crepitus n (%) | Yes | 36 (94.7) |
| Bony tenderness n (%) | Yes | 36 (94.7) |
| Bony enlargement n (%) | Yes | 34 (89.5) |
| No palpable warmth n (%) | Yes | 34 (89.5) |
| Swelling n (%) | Yes | 28 (73.7) |
Abbreviations: SD, standard deviation; NSAIDS, non-steroidal anti-inflammatory drugs; KOOS, Knee injury and Osteoarthritis Outcome Score; ADL, activities of daily living; QoL, quality of life; NRS, Numerical Rating Scale; KLG, Kellgren and Lawrence Grade.