Table 1.
Baseline Characteristics of COPD Participants Undergoing TAVR or SAVR Between 2011 and 2014 in the United States—Unmatched
| Total | TAVR | SAVR | P Value | |
|---|---|---|---|---|
| No. of observation, unweighted | 7548 | 1595 | 5953 | |
| No. of observation, weighted | 37 102 | 7945 | 29 157 | |
| Age, y, mean (SD) | 75.09 (7.81) | 80.63 (7.07) | 73.61 (7.32) | <0.0001 |
| Female, % | 35.59 | 40.84 | 34.16 | <0.0001 |
| Race/ethnicity, % | 0.006 | |||
| White | 88.35 | 89.30 | 88.10 | |
| Black | 3.90 | 3.20 | 4.09 | |
| Hispanic | 3.94 | 2.78 | 4.25 | |
| Asia | 0.81 | 0.88 | 0.79 | |
| Others | 3.00 | 3.84 | 2.78 | |
| COPD with oxygen dependence, % | 7.13 | 16.86 | 4.47 | <0.0001 |
| Peripheral vascular disease, % | 27.90 | 33.41 | 26.39 | <0.0001 |
| Hypertension, % | 77.30 | 78.93 | 76.86 | 0.081 |
| Rheumatological disorder, % | 4.15 | 6.03 | 3.64 | <0.0001 |
| Hypothyroidism, % | 15.26 | 19.93 | 13.98 | <0.0001 |
| Diabetes mellitus, % | 35.33 | 37.06 | 34.86 | 0.104 |
| Obesity, % | 21.41 | 18.37 | 21.73 | 0.004 |
| Chronic blood loss, % | 1.38 | 1.07 | 1.46 | 0.231 |
| Anemia deficiency, % | 22.98 | 26.64 | 21.98 | <0.0001 |
| Congestive heart failure, % | 4.47 | 13.03 | 2.14 | <0.0001 |
| Depression, % | 8.75 | 8.46 | 8.83 | 0.647 |
| Renal failure, % | 24.79 | 36.45 | 21.61 | <0.0001 |
| Liver disease, % | 2.12 | 2.18 | 2.11 | 0.849 |
| Lymphoma, % | 0.81 | 1.25 | 0.68 | 0.023 |
| Alcohol abuse, % | 3.29 | 1.56 | 3.76 | <0.0001 |
| Metastasis, % | 0.23 | 0.31 | 0.20 | 0.397 |
| Neurological disorders, % | 5.64 | 6.03 | 5.55 | 0.457 |
| Pulmonary circulatory disease, % | 1.68 | 4.59 | 0.89 | <0.0001 |
| Electrolyte, % | 36.01 | 25.60 | 38.85 | <0.0001 |
| Smoking, % | 49.69 | 38.85 | 52.64 | <0.0001 |
| Elixhauser score, % | 0.0004 | |||
| 0 to 1 | 2.25 | 1.88 | 2.35 | |
| 2 to 3 | 30.28 | 26.53 | 31.30 | |
| ≥4 | 67.47 | 71.59 | 66.35 | |
| Hospital bed size, % | <0.0001 | |||
| Small | 5.62 | 3.52 | 6.19 | |
| Medium | 19.62 | 16.13 | 20.57 | |
| Large | 74.77 | 80.35 | 73.24 | |
| Hospital location, % | <0.0001 | |||
| Rural | 2.26 | 0.63 | 2.70 | |
| Urban nonteaching | 24.19 | 9.53 | 28.18 | |
| Urban teaching | 73.55 | 89.84 | 69.11 | |
| Expected primary payer, % | <0.0001 | |||
| Medicare | 84.29 | 91.64 | 82.28 | |
| Medicaid | 1.68 | 0.56 | 1.99 | |
| Private | 11.74 | 5.85 | 13.35 | |
| Others | 2.28 | 1.94 | 2.38 | |
| Median household income in quartile, % | <0.0001 | |||
| 1st | 25.98 | 23.66 | 26.61 | |
| 2nd | 26.02 | 23.91 | 26.60 | |
| 3rd | 25.03 | 23.87 | 25.35 | |
| 4th | 22.96 | 28.56 | 21.44 | |
| Hospital region, % | 0.003 | |||
| Northeast | 22.78 | 24.81 | 22.22 | |
| Midwest | 20.31 | 18.36 | 20.85 | |
| South | 38.70 | 40.66 | 38.17 | |
| West | 18.21 | 16.17 | 18.76 |
COPD indicates chronic obstructive pulmonary disease; TAVR, transcatheter aortic valve replacement; SAVR, surgical aortic valve replacement.