Table 1 Demographic information
From: Impact of time to revision total knee arthroplasty on outcomes following aseptic failure
Variable | Early revisions (n = 199) | Late revisions (n = 271) | P-value |
|---|---|---|---|
Age [mean years (SD)]c | 62.04 (9.08) | 64.59 (8.56) | 0.002** |
Sex [n (%)]a | – | – | 0.687 |
Male | 63 (31.7) | 81 (29.9) | |
Female | 136 (68.3) | 190 (70.1) | |
Race [n (%)]b | – | – | 0.077 |
White | 110 (55.6) | 132 (49.1) | |
Black | 45 (22.7) | 87 (32.3) | |
Asian | 2 (1.0) | 6 (2.2) | |
Other | 41 (20.7) | 44 (16.4) | |
BMI [mean kg/m2 (SD)]c | 32.47 (6.53) | 33.60 (6.95) | 0.084 |
ASA score [n (%)]b | – | – | 0.057 |
1 | 0 (0.0) | 6 (2.4) | |
2 | 102 (56.0) | 131 (51.6) | |
3 | 79 (43.4) | 110 (43.3) | |
4 | 1 (0.5) | 7 (2.8) | |
Smoking status [n (%)]b | – | – | 0.338 |
Never | 120 (60.3) | 147 (54.2) | |
Former | 64 (32.2) | 105 (38.7) | |
Current | 15 (7.5) | 19 (7.0) | |
Laterality [n (%)]a | 0.851 | ||
Right | 108 (54.3) | 150 (55.4) | |
Left | 91 (45.7) | 121 (44.6) |