Table 2. Multivariable linear regression analysis for determining the difference in bleeding rate between tranexamic acid and placebo groups.
| Variable | Unstandardized coefficients | p -value | 95% confidence interval for beta | ||
|---|---|---|---|---|---|
| Beta | Standard error | Lower bound | Upper bound | ||
| Tranexamic acid use | 1.494 | 1.126 | 0.026 | 1.347 | 1.641 |
| Female gender | -1.865 | 1.293 | 0.153 | -4.433 | 0.703 |
| Age | -2.793 | 1.089 | 0.002 | -3.705 | -1.881 |
| Body mass index | 0.651 | 0.619 | 0.296 | -0.578 | 1.880 |
| History of hypertension | -0.196 | 0.738 | 0.792 | -1.661 | 1.269 |
| History of diabetes | -1.481 | 0.731 | 0.046 | -2.933 | -0.029 |
| History of hyperlipidemia | -0.085 | 0.296 | 0.775 | -0.674 | 0.504 |
| Current smoking | 0.165 | 0.305 | 0.589 | -0.440 | 0.770 |
| Serum hemoglobin | -0.198 | 0.419 | 0.637 | -1.030 | 0.634 |
| White blood count | -1.571 | 1.044 | 0.874 | -0.477 | 0.334 |
| Platelet count | -3.864 | 2.926 | 0.275 | -2.274 | 2.546 |
| Fasting blood sugar | 2.000 | 1.153 | 0.012 | -1.384 | 6.383 |
| Fasting high-density lipoprotein | -3.859 | 4.695 | 0.036 | -12.589 | 5.872 |
| Serum creatinine | -0.129 | 0.126 | 0.224 | -0.239 | 0.124 |
R square = 0.310; adjusted R square = 0.223. Source: Elaborated by the authors.