Table 1. Participant Characteristics at Baseline.
| Mean (SD) | ||
|---|---|---|
| Triamcinolone (n = 70) |
Saline (n = 70) |
|
| Age, y | 59.1 (8.3) | 57.2 (7.6) |
| Women, No. (%) | 37 (52.9) | 38 (54.3) |
| White, No. (%) | 47 (67.1) | 42 (60.0) |
| BMI | 30.8 (5.1) | 31.7 (6.6) |
| Varus or valgus malalignment, No. (%) | 53 (75.7) | 55 (78.6) |
| Synovial pouch depth, mm | 4.2 (1.9) | 4.5 (2.0) |
| KL score, No. (%) | ||
| 2 | 29 (41.4) | 29 (41.4) |
| 3 | 41 (58.6) | 41 (58.6) |
| Clinical | ||
| VAS pain scorea | 38.4 (22.2) | 42.6 (22.1) |
| WOMAC scoreb | ||
| Pain | 8.2 (3.0) | 8.4 (3.0) |
| Function | 28.3 (10.8) | 30.1 (9.5) |
| Stiffness | 3.7 (1.6) | 4.0 (1.4) |
| 20-m Walk, s | 19.8 (6.7) | 18.2 (3.8) |
| Chair stand, s | 18.3 (8.6) | 17.2 (6.5) |
| SF-36 scorec | ||
| Physical | 36.7 (9.1) | 35.4 (9.7) |
| Mental | 52.6 (10.2) | 52.2 (10.0) |
| Hemoglobin A1c, mean (SD), % | 6.0 (0.8) | 6.0 (0.6) |
| C-reactive protein, mean (SD), mg/L (log) | 0.6 (1.2) | 0.4 (1.1) |
Abbreviations: BMI, body mass index, calculated as weight in kilograms divided by height in meters squared; KL, Kellgren-Lawrence; VAS, visual analog scale; WOMAC, Western Ontario and McMaster Universities.
a
Values range from 0 to 100, for which 0 indicates no pain and 100, extreme pain.
b
Scores for WOMAC are defined in the Methods section.
c
The 36-Item Short Form Health Survey (SF-36) scores range from 0 to 100, with higher scores representing better health status.