Table 3.
Outcome variables and follow-up characteristics (TKR = total knee replacement). NA = not available
| Variables | TKR n=49 | Non-TKR n=307 | P Value |
|---|---|---|---|
| n(%) | n(%) | ||
| 3 months postoperative | |||
| Pain (Yes) | 46(93.9%) | 184(60%) | 0.000** |
| 6 months postoperative | |||
| Pain (Yes) | 45(91.8%) | 163(53.1%) | 0.000** |
| Walking aids (Yes) | 13(26.5%) | 19(6.2%) | 0.000** |
| Intra-articular injection | 0.000** | ||
| None | 27(55.1%) | 249(81.1%) | 0.001** |
| Hyaluronic acid | 13(26.5%) | 30(9.8%) | |
| Corticosteroids | 9(18.4%) | 28(9.1%) | |
| Other treatments (Yes) | 41(61.6%) | 189(61.6%) | |
| 12 months postoperative. | |||
| Pain (Yes) | 45(91.8%) | 122(39.7%) | 0.000** |
| Crutches or walking aids (Yes) | 8(16.3%) | 6(2%) | 0.000** |
| Intra-articular injections | |||
| None | 32(65.3%) | 263(85.7%) | 0.002** |
| Hyaluronic acid | 11(22.4%) | 30(9.7%) | |
| Corticosteroids | 6(12.2%) | 14(4.6%) | |
| Other treatments | |||
| No | 27(55.1%) | 206(67.1%) | 0.026** |
| Rehabilitation | 7(14.3%) | 56(18.3%) | |
| Analgesics intake | 7(14.3%) | 32(10.4%) | |
| Rehabilitation + Analgesics | 7(14.3%) | 12(3.9%) | |
| NA | 1(2.0%) | 1(0.3%) | |
**
Fisher’s exact test