Table 2.
Multivariate logistic analysis of transfusion in nonfracture patients after total hip arthroplasty.
| Estimated parameter | SE | Wald | 95% CI | P | |
|---|---|---|---|---|---|
| Weight | -0.038 | 0.008 | 25.537 | 0.948-0.977 | <0.001 |
| Smoking (yes) | -0.942 | 0.248 | 14.386 | 0.240-0.634 | <0.001 |
| Anesthesia (non-general) | -0.743 | 0.165 | 20.255 | 0.344-0.657 | <0.001 |
| Procedures (bilateral) | 1.450 | 0.305 | 22.653 | 2.346-7.742 | <0.001 |
| Operation time | 0.006 | 0.002 | 7.932 | 1.002-1.010 | 0.005 |
| Estimated blood loss | 0.003 | 0.000 | 60.863 | 1.002-1.004 | <0.001 |
| Tranexamic acid (use) | -0.773 | 0.189 | 16.642 | 0.318-0.669 | <0.001 |
| Coronary heart disease (yes) | 0.650 | 0.291 | 4.988 | 1.083-3.391 | 0.026 |
| Platelet | -0.004 | 0.001 | 11.276 | 0.993-0.998 | 0.001 |
| Hemoglobin | -0.035 | 0.006 | 40.339 | 0.955-0.976 | <0.001 |
SE: standard error; OR: odds ratio; CI: confidence interval.