|
| Group 1 | Group 2 | Group 3 | p-value |
| # TKAs | 3105 | 7537 | 4573 | - |
| Diagnosis (%) |
|
|
| <0.0001 |
| Osteoarthritis | 86.1% | 97.8% | 99.6% |
|
| Osteonecrosis | 10.4% | 1.6% | 0.3% |
|
| Rheumatoid arthritis | 3.5% | 0.5% | 0.1% |
|
| Other | - | 0.1% | - |
|
| Gender (%) |
|
|
| 0.7139 |
| Male | 39% | 40% | 37% |
|
| Female | 61% | 60% | 63% |
|
| Age (years) |
|
|
| 0.0006 |
| Average | 67.9 | 69.0 | 66.2 |
|
| Range | 19-91 | 19-93 | 30 - 91 |
|
| sd. | 9.4 | 9.3 | 9.5 |
|
| BMI (kg/m2) |
|
|
| <0.0001 |
| Average | 27.8 | 31.0 | 33.7 |
|
| Range | 15 - 64 | 15 - 64 | 13 - 61 |
|
| sd. | 5.9 | 2.9 | 6.7 |
|
| Follow-up (years) |
|
|
| - |
| Average | 12.8 | 7.6 | 3.6 |
|
| Range | 0 - 28 | 0 - 19 | 0 - 7 |
|
| sd. | 5.9 | 3.7 | 1.0 |
|