Demographics of all patients who received a corticosteroid joint injection with either triamcinolone hexacetonide (TH) or triamcinolone acetonide (TA). Both groups include the 58 patients who received both TH and TA joint injections.
| Characteristic | TH | TA |
|---|---|---|
| Patients male/female | 124 (26/98) | 119 (23/96) |
| No. joints injected | 422 | 372 |
| Pauciarticular | 90 | 89 |
| Polyarticular | 24 | 25 |
| Systemic disease | 10 | 5 |
| Mean age at joint injection, yrs | 9.7 ± 4.8 | 8.8 ± 4.5 |
| Mean duration of arthritis, yrs | 3.1 ± 3.4 | 3.3 ± 3.3 |
| No. joints injected | ||
| Knees | 251 | 205 |
| Ankles | 119 | 99 |
| Wrists | 23 | 44 |
| Elbows | 29 | 24 |
| No. patients with 2 or more joints injected | 66 | 68 |
| No. patients reinjected | 86 | 6 |
| No. joints that relapsed | 249 | 269 |
| Mean time to relapse, mo (p < 0.01) | 9.09 ± 3.51 | 6.82 ± 3.44 |
| Median time to relapse, mo (p < 0.0001) | Unestimable | 7 |