Table 1.
Basic Clinical Data.
| OA Patients (n = 143), Mean ± SD | Healthy Controls (n = 135), Mean ± SD | P | |
|---|---|---|---|
| Age (years) | 65.8 ± 3.4 | 66.1 ± 3.6 | 0.577 |
| Sex (female/male), n | 80/63 | 77/58 | 0.854 |
| BMI (kg/m2) | 24.3 ± 2.7 | 23.5 ± 2.4 | 0.239 |
| WOMAC pain score | 9.5 ± 3.2 | — | |
| WOMAC stiffness score | 4.1 ± 1.4 | — | |
| WOMAC physical function score | 34.6 ± 9.6 | — | |
| WOMAC total score | 48.5 ± 11.9 | — | |
| K-L grading(2/3/4), n | 50/52/41 | — | |
| Plasma eotaxin-1 levels (pg/mL) | 143.3 ± 31.9 | 102.5 ± 25.7 | <0.001 |
| SF eotaxin-1 levels (pg/mL) | 87.8 ± 18.3 | — |
BMI = body mass index; K-L = Kellgren-Lawrence; OA = osteoarthritis; SD = standard deviation; SF = synovial fluid; WOMAC = Western Ontario and McMaster Universities Arthritis Index.