Table 1.
Demographics of the revision TKA (rTKA) cohort compared with those of the primary TKA (pTKA) cohort.
| Demographic | rTKA | pTKA | |
|---|---|---|---|
| Sample size | 833 | 6509 | |
| Age | 64.13 (9.69) | 66.03 (9.58) | P < .0001 |
| BMI | 33.14 (6.96) | 32.61 (6.40) | P = .0267 |
| % Male | 39.38% | 31.60% | P < .0001 |
| Race | |||
| White | 57.26% | 54.57% | P < .0001 |
| Black | 22.33% | 20.03% | |
| Asian | 2.40% | 4.33% | |
| Other | 18.01% | 21.06% | |
| ASA status | |||
| Class 1 | 2.16% | 1.65% | P < .0001 |
| Class 2 | 42.31% | 49.31% | |
| Class 3 | 51.44% | 46.47% | |
| Class 4 | 4.09% | 2.41% |
BMI, body mass index; TKA, total knee arthroplasty.
Significant P values are given in bold.