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Patient demographics (n=680)
| Characteristic | Results |
|---|---|
| Age, years, mean ± SD | 43.2±15.7 |
| Sex, n (%) | |
| Male | 321 (47) |
| Female | 359 (53) |
| Comorbidity, n (%) | |
| Coronary artery disease | 10 (1.5) |
| Cardiovascular risk factor | 191 (28.1) |
| Congestive heart failure | 3 (0.4) |
| Valvular heart lesion | 7 (1.0) |
| Chronic obstructive pulmonary disease | 16 (2.4) |
| Asthma | 31 (4.6) |
| Smoker | 107 (15.7) |
| Home medications, n (%) | |
| Benzodiazepines | 7 (1.0) |
| Narcotics | 20 (2.9) |
| Benzodiazepines + narcotics | 2 (0.3) |
