Table 1 Baseline characteristics of patients
Characteristics | Cohort (n = 1871) |
|---|---|
Age, n (%) | |
 Mean (SD) | 64.11 (16) |
  < 65 | 874 (46.7) |
  ≥ 65 | 997 (53.3) |
Sex, n (%) | |
 Male | 965 (51.6) |
 Female | 906 (48.4) |
Race/ethnicity, n (%) | |
 African American | 1494 (79.9) |
 White | 340 (18.2) |
 Asian | 21 (1.1) |
 Middle Eastern | 14 (0.7) |
 Latino/Hispanic | 2 (0.1) |
BMI, mean (SD) | 31.14 (8.82) |
  < 18.5 (underweight) | 46 (2.5) |
 18.5–24.9 (normal) | 411 (22) |
 25–29.9 (overweight) | 512 (27.4) |
  ≥ 30 (obese) | 897 (47) |
Preexisting respiratory disease, n (%) | 575 (30.7) |
 COPD | 317 (16.9) |
 Asthma | 134 (7.2) |
 Obstructive sleep apnea | 63 (3.4) |
 Pulmonary embolism | 27 (1.4) |
Pulmonary hypertension | 10 (0.5) |
 Sarcoidosis | 8 (0.4) |
 Lung cancer | 9 (0.5) |
 Prior TB/ILD | 5 (0.3) |
Number of comorbidities, n (%) | Â |
 0 | 257 (13.7) |
 1 | 362 (19.3) |
 2 | 443 (23.7) |
  ≥ 3 | 809 (43.2) |
Current or former smoker, n (%) | 704 (37.6) |
Individual preexisting respiratory disease severity | |
 COPD, n (%) | 317 |
 GOLD grade I | 40 (12.6) |
 GOLD grade II | 18 (5.7) |
 GOLD grade III | 16 (5) |
 GOLD grade IV | 5 (1.6) |
 Cannot be determined | 238 (75.1) |
Asthma, n (%) | 134 |
 Intermittent | 9 (6.7) |
 Mild | 13 (9.7) |
 Moderate | 5 (3.7) |
 Severe | 2 (1.5) |
 Cannot be determined | 105 (78.4) |
Obstructive sleep apnea, n (%) | 63 |
 Mild (5 ≤ AHI < 15) | 7 (11.1) |
 Moderate (15 ≤ AHI < 30) | 6 (9.5) |
 Severe (AHI ≥ 30) | 18 (28.6) |
 Cannot be determined | 32 (50.8) |
Pulmonary Hypertension (based on mPAP), n (%) | 10 |
 Mid | 4 (40) |
 Moderate | 1 (10) |
 Severe | 2 (20) |
 Cannot be determined | 3 (30) |
Sarcoidosis, n (%) | 8 |
 Stage 0 | 3 (37.5) |
 Stage 1 | 2 (25) |
 Cannot be determined | 3 (37.5) |