Table 1.
Standard mean difference of the propensity score–matched population
| Demographics | Before propensity score matching (%) |
After propensity score matching (%) |
||||
|---|---|---|---|---|---|---|
| Open repair (221) | TEVAR (278) | SD (%) | Open repair (120) | TEVAR (120) | SD (%) | |
| Age, y | 59.21 | 67.62 | 72.78 | 63.96 | 63.11 | 7.55 |
| Sex | ||||||
| Male | 72.85 | 55.75 | 36.19 | 65.83 | 64.16 | 3.48 |
| Female | 27.14 | 44.24 | 36.19 | 34.16 | 35.83 | 3.48 |
| CLD | 22.22 | 38.04 | 34.93 | 31.67 | 35.00 | 7.05 |
| Stroke | 9.95 | 12.23 | 7.24 | 11.67 | 13.33 | 5.02 |
| CAD | 24.89 | 15.47 | 23.58 | 25.00 | 17.50 | 18.33 |
| Diabetes | 11.31 | 17.27 | 17.04 | 13.33 | 12.50 | 2.47 |
| Prior cardiac surgery | 48.86 | 32.01 | 34.79 | 40.00 | 40.83 | 1.69 |
| CTD | 7.24 | 3.24 | 18.00 | 4.16 | 4.16 | 0 |
| Ejection fraction | 58.24 | 60.35 | 10.79 | 59.04 | 59.40 | 3.70 |
| Dialysis | 2.26 | 3.24 | 5.95 | 1.67 | 1.67 | 0 |
| PAD | 30.77 | 57.55 | 55.9 | 40.00 | 45.83 | 11.76 |
| Chronic dissection | 53.85 | 33.09 | 42.72 | 43.33 | 45.83 | 5.01 |
SD less than 10% was an acceptable balance of the covariates between the matched groups. TEVAR, Thoracic endovascular aortic repair; SD, standard deviation; CLD, chronic lung disease; CAD, coronary artery disease; CTD, connective tissue disease; PAD, peripheral arterial disease.