Table 1.
Patient demographic and characteristics.
| Total (n=23,421) | TXA (n=4,423) | No TXA (n=18,998) | p-value | |
|---|---|---|---|---|
| Age (years), mean (SD) | 66.5 (9.8) | 67.5 (9.2) | 66.3 (10.0) | <0.0001 |
| CCMI, median (IQR)* | 0 (2.0) | 0 (1.0) | 0 (2.0) | <0.0001 |
| Female, N (%) | 14,704 (62.7) | 2,787 (63.0) | 11,917 (62.7) | 0.73 |
| Diabetes, N (%) | 1,479 (6.3) | 273 (6.2) | 1,206 (6.4) | 0.67 |
| Rheumatoid Arthritis, N (%) | 535 (2.3) | 89 (2.0) | 446 (2.4) | 0.18 |
| TKA performed before 2010, N (%) | 4,333 (18.5) | 4 (0.1) | 4,329 (22.8) | <0.0001 |
| ASA, N (%) | 4,555 (19.5) | 729 (16.5) | 3,826 (20.1) | <0.0001 |
Charlson comorbidity index calculated excluding age as a factor.
Abbreviations: SD, standard deviation; CCMI, Charlson comorbidity index; IQR, interquartile range; ASA, aspirin