Table 1 Chamber study participant characteristics with descriptive statistics as frequencies and percentages or means and quartiles.
From: Impact of simulated flight conditions on supraventricular and ventricular ectopy
All (N = 36) | Noncardiac/nonsmoker (N = 14) | Cardiac (N = 8) | Smoker (N = 14) | |
|---|---|---|---|---|
Male | 22 (61.1%) | 7 (50.0%) | 6 (75.0%) | 9 (65.3%) |
Age (years) | 63.2 (57.2, 69.2) | 66.4 (61.6, 70.9) | 61.4 (55.4, 69.2) | 61.0 (56.7, 65.6) |
Age 65 and older | 13 (36.1%) | 6 (42.9%) | 3 (37.5%) | 4 (28.6%) |
White | 27 (75.0%) | 13 (92.9%) | 6 (75.0%) | 8 (57.1%) |
Ever smoker | 28 (77.8%) | 8 (57.1%) | 6 (75.0%) | 14 (100.0%) |
Body mass index | 28.1 (24.2, 31.1) | 28.3 (25.7, 30.0) | 29.8 (28.4, 33.3) | 27.1 (24.1, 30.2) |
Diabetes | 6 (16.7%) | 1 (7.1%) | 5 (62.5%) | 0 (0.0%) |
Asthma | 3 (8.3%) | 1 (7.1%) | 1 (12.5%) | 1 (7.1%) |
COPD | 3 (8.3%) | 1 (7.1%) | 2 (25.0%) | 0 (0.0%) |
Baseline SaO\(_2\) >95 | 31 (86.1%) | 9 (64.3%) | 8 (100.0%) | 14 (100.0%) |
Beta-blocker use | 13 (36.1%) | 3 (21.4%) | 7 (87.5%) | 3 (21.4%) |
Pacemaker use | 8 (22.2%) | 0 (0.0%) | 8 (100.0%) | 0 (0.0%) |
