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. 2007 Dec 18;7:38. doi: 10.1186/1471-2261-7-38

Table 1.

Lifestyle information and percentage of missing data in subjects comparing patients acute myocardial infarction (cases) to the general population from which cases arose (controls).

Basic Descriptive Statistics Cases (n = 19,353) Controls (n = 192,821)
Mean age (SD) 70.0 (13.1) 69.9 (13.0)
Male 54.4% 44.1%
% heavy alcohol use 3.6% 2.3%
# hospitalizations/past year (SD) 0.33 (1.14) 0.16 (0.81)
Variables Rates of missing values (%)
Smoking 8.4 12.3
Body Mass Index 20.6 23.5
Blood Pressure 30.6 43.6
Estimated Systolic Blood Pressure (SD) 144.1 (18.7) 142.2 (17.7)
Estimated Diastolic Blood Pressure (SD) 81.0 (10.1) 80.4 (9.0)
Serum Cholesterol 64.4 76.2
Estimated Serum Cholesterol (SD) 5.54 (1.16) 5.49 (1.20)
Key Comorbidities
Diabetes 15.8% 9.1%
Angina 20.2% 11.8%
Renal Failure 3.0% 1.1%
Chronic Obstructive Pulmonary Disease 8.2% 5.1%
Stroke 5.5% 3.5%

* SD: standard deviation.