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).
From: Lifestyle variables and the risk of myocardial infarction in the General Practice Research Database
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% |