Table III. Patient characteristics before and after applying IPTW propensity score.
| Unadjusted Data | Data Adjusted with the Use of Inverse Probability Weighting |
|||||
|---|---|---|---|---|---|---|
| Characteristic | No Statin (N=339) |
Statin (N=53) |
P value | No Statin (N=339) |
Statin (N=53) |
P value |
| Age (yr) | 71.5 ± 7.3 | 72.1 ± 4.8 | 0.286 | 71.9 ± 6.8 | 71.9 ± 4.8 | 0.966 |
| Bilateral TKA (%) | 9.1 | 11.2 | 0.483 | 9.6 | 10.2 | 0.863 |
| CAD (%) | 4.0 | 13.3 | 0.001 | 8.7 | 8.7 | 0.983 |
| DM (%) | 10.1 | 19.9 | 0.006 | 15.0 | 14.9 | 0.988 |
| HTN (%) | 15.2 | 17.5 | 0.525 | 17.4 | 16.8 | 0.871 |
| Male Sex (%) | 25.8 | 43.4 | 0.0002 | 34.4 | 34.2 | 0.967 |
| Smoker (%) | 4.0 | 3.6 | 0.808 | 3.4 | 3.4 | 0.993 |
| Is Black (%) | 6.1 | 4.6 | 0.516 | 5.8 | 5.7 | 0.966 |
IPTW = Inverse probability treatment of weighting; TKA = total knee arthroplasty; BMI = body mass index; CAD = coronary artery disease; DM = diabetes; HTN = hypertension