Table 1.
Demographics of patients in this study with adequate imaging
| Characteristic | CTEPH patients (n = 259) | Control patients (n = 259) | P |
|---|---|---|---|
| Age, years | 58.3 ± 10.6 | 58.3 ± 10.8 | 0.98 |
| Sex | |||
| Male | 130 (50.2) | 130 (50.2) | NA |
| Female | 129 (49.8) | 129 (49.8) | |
| Race | |||
| White | 196 (75.7) | 202 (78.0) | |
| African American | 46 (17.8) | 21 (8.1) | 0.001 |
| Asian | 6 (2.3) | 17 (6.6) | |
| Unknown | 11 (4.2) | 19 (7.3) | |
| BMI | 30.8 ± 7.1 | 29.5 ± 7.3 | 0.04 |
| WHO functional class | |||
| 1 | 5 (1.9) | ||
| 2 | 47 (18.1) | NA | NA |
| 3 | 181 (69.9) | ||
| 4 | 26 (10.0) | ||
| Comorbidities | |||
| Diabetes | 56 (21.6) | 82 (31.7) | 0.01 |
| Hypertension | 109 (42.1) | 170 (65.6) | <0.001 |
| Hyperlipidemia | 64 (24.7) | 136 (52.5) | <0.001 |
| Coronary artery disease | 10 (3.9) | 0 (0.0) | 0.001 |
| Chronic kidney disease | 33 (12.7) | 34 (13.1) | 0.92 |
| COPD | 23 (8.9) | 35 (13.5) | 0.09 |
| Asthma | 23 (8.9) | 19 (7.3) | 0.52 |
| Smoking history | |||
| Never smoker | 143 (55.2) | 131 (50.6) | |
| Former smoker | 89 (34.4) | 91 (35.1) | |
| Current smoker | 21 (8.1) | 30 (11.6) | |
| Unknown | 6 (2.3) | 7 (2.7) | 0.53 |
Note
Data are no. (%) or mean ± SD and were compared with the χ2 test or the independent-sample t test, respectively. Boldface type indicates statistical significance. CTEPH: chronic thromboembolic pulmonary hypertension; NA: not applicable; BMI: body mass index; WHO: World Health Organization; COPD: chronic obstructive pulmonary disease.