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Table 1 Demographic and clinical characteristics of the 190 study participants

From: Association of sleep problems with neuroendocrine hormones and coagulation factors in patients with acute myocardial infarction

Age, yrs., M (SD) 59.9 (11.2)
Sex (men), n (%) 157 (82.6)
Education level
 High, n (%) 36 (18.9)
 Medium, n (%) 136 (71.6)
 Low, n (%) 18 (9.5)
Living with someone, n (%) 138 (72.6)
Charlson comorbidity index, M (SD) 1.80 (1.20)
Positive history of hypertension, n (%) 98 (51.6)
Positive history of high cholesterol, n (%) 86 (45.3)
Positive history of depression, n (%) 54 (28.4)
Body mass index, kg/m2, M (SD) 27.7 (4.6)
Smoking status
 Current smoker, n (%) 83 (43.7)
 Former smoker, n (%) 50 (26.3)
 Never smoker, n (%) 57 (30.0)
Alcohol consumption (drinks per week)
 Abstainers, n (%) 33 (17.4)
 Moderate drinkers, n (%) 147 (77.4)
 Heavy drinkers, n (%) 10 (5.3)
Physical activity (number of times per week)
 3–7, n (%) 49 (25.8)
 1–2, n (%) 52 (27.4)
  < 1, n (%) 89 (46.8)
Previous myocardial infarction, n (%) 20 (10.5)
Previous percutaneous coronary intervention 27 (14.2)
Previous coronary artery bypass surgery 5 (2.6)
Type of confirmed acute infarction  
ST-elevation myocardial infarction, n (%) 136 (71.6)
Non-ST-elevation myocardial infarction, n (%) 54 (28.4)
Major coronary arteries with stenosis ≥50% (number), M (SD) 1.93 (0.86)
Left ventricular ejection fraction (angiography), %, M (SD) 47. 6 (11.8)
Vasopressant drugs at admission
 Epinephrine, n (%) 9 (4.7)
 Norepinephrine, n (%) 6 (3.2)
 Dobutamine, n (%) 8 (4.2)
 Dopamine, n (%) 1 (0.5)
Antithrombotic therapy at admission
 Aspirin, n (%) 190 (100)
 Clopidogrel, n (%) 57 (30.0)
 Prasugrel, n (%) 99 (52.1)
 Ticagrelor, n (%) 80 (42.1)
 Fondaparinux, n (%) 154 (81.1)
 Unfractioned heparin, n (%) 145 (76.3)
 Low molecular weight heparin, n (%) 13 (6.8)
 Bivalirudin, n (%) 2 (1.1)
 Abciximab, n (%) 46 (24.2)
 Thrombolysis, n (%) 2 (1.1)
Beta-blocker therapy at admission, n (%) 173 (91.1)
Regular use of glucocorticoids, n (%) 13 (6.8)
Global Registry of Acute Coronary Events risk score, M (SD) 107 (27)
Acute distress during myocardial infarction, M (SD) 6.23 (1.40)
Sleep difficulties total, M (SD) 1.53 (1.29)
Difficulties initiating sleep, M (SD) 1.24 (1.62)
Nighttime awakenings, M (SD) 2.53 (2.10)
Difficulties maintaining sleep, M (SD) 1.17 (1.68)
Nonrestorative sleep, M (SD) 1.17 (1.67)
High risk of obstructive sleep apnea, n (%) 77 (40.5)