Table 2.
Baseline Characteristics Before and After Propensity Score Matching
| Unmatched Patients | Matched Patients | |||||
|---|---|---|---|---|---|---|
| Variable | TXA Cohort (N = 1639) | Non-TXA (N = 33079) | P | TXA Cohort (N = 1627) | Non-TXA (N = 1627) | P |
| Mean age ± SD | 32.8 ± 14.3 | 32.8 ± 17.5 | 0.978 | 32.8 ± 14.3 | 32.7 ± 14.2 | 0.816 |
| White, n (%) | 1143 (70.0) | 22,052 (72.0) | 0.087 | 1141 (70.1) | 1144 (70.3) | 0.908 |
| Comorbidities, n (%) | ||||||
| Tobacco use | 10 (0.6) | 301 (1.0) | 0.136 | 10 (0.6) | 10 (0.6) | 1.000 |
| Diabetes mellitus | 44 (2.7) | 886 (2.9) | 0.644 | 44 (2.7) | 42 (2.6) | 0.827 |
| Hypertensive disease | 136 (8.3) | 3040 (9.9) | 0.036* | 134 (8.2) | 131 (8.1) | 0.848 |
| Other forms of heart disease | 65 (4.0) | 1376 (4.5) | 0.332 | 65 (4.0) | 70 (4.3) | 0.660 |
| Von Willebrand disease | 11 (0.7) | 32 (0.1) | <0.001* | 10 (0.6) | 10 (0.6) | 1.000 |
| Primary thrombophilia | 10 (0.6) | 62 (0.2) | 0.001* | 10 (0.6) | 10 (0.6) | 1.000 |
| Coagulation defect, unspecified | 10 (0.6) | 72 (0.2) | 0.003* | 10 (0.6) | 10 (0.6) | 1.000 |
| Hereditary factor XI deficiency | 0 (0.0) | 10 (0.0) | 0.465 | 0 (0.0) | 0 (0.0) | – |
| Hereditary factor VIII deficiency | 10 (0.6) | 10 (0.0) | <0.001* | 10 (0.6) | 10 (0.6) | 1.000 |
*
P value less than 0.05, significant results.