Demographic Characteristics and Prevalence of Risk Factors for Coronary Heart Disease Among Young Survivors of Myocardial Infarction and Controls
| . | Cases (N = 200) . | Controls (N = 200) . | Odds Ratio (95% CI) . |
|---|---|---|---|
| Age (yr) | 40.7 ± 4.1 | 41.3 ± 5.1 | |
| Male sex | 185 (93) | 185 (93) | |
| Family history of ischemic heart disease* | |||
| No | 107 (54) | 189 (95) | 14.9 (7.4-31.1) |
| Yes | 93 (46) | 11 (5) | |
| Hypertension† | |||
| No | 140 (70) | 194 (97) | 13.9 (5.6-37.2) |
| Yes | 60 (30) | 6 (3) | |
| Smoking | |||
| Never | 28 (14) | 107 (53) | 7.1 (4.2-11.9) |
| Present or past | 172 (86) | 93 (47) | |
| Obesity‡ | |||
| No | 181 (90) | 195 (98) | 4.1 (1.4-13.6) |
| Yes | 19 (10) | 5 (2) | |
| Diabetes mellitus | |||
| None | 180 (90) | 194 (97) | 3.6 (1.3-10.3) |
| Type I or II | 20 (10) | 6 (3) | |
| Hypercholesterolemia1-153 | |||
| No | 66 (33) | 88 (44) | 1.6 (1-2.4) |
| Yes | 134 (67) | 112 (56) |
| . | Cases (N = 200) . | Controls (N = 200) . | Odds Ratio (95% CI) . |
|---|---|---|---|
| Age (yr) | 40.7 ± 4.1 | 41.3 ± 5.1 | |
| Male sex | 185 (93) | 185 (93) | |
| Family history of ischemic heart disease* | |||
| No | 107 (54) | 189 (95) | 14.9 (7.4-31.1) |
| Yes | 93 (46) | 11 (5) | |
| Hypertension† | |||
| No | 140 (70) | 194 (97) | 13.9 (5.6-37.2) |
| Yes | 60 (30) | 6 (3) | |
| Smoking | |||
| Never | 28 (14) | 107 (53) | 7.1 (4.2-11.9) |
| Present or past | 172 (86) | 93 (47) | |
| Obesity‡ | |||
| No | 181 (90) | 195 (98) | 4.1 (1.4-13.6) |
| Yes | 19 (10) | 5 (2) | |
| Diabetes mellitus | |||
| None | 180 (90) | 194 (97) | 3.6 (1.3-10.3) |
| Type I or II | 20 (10) | 6 (3) | |
| Hypercholesterolemia1-153 | |||
| No | 66 (33) | 88 (44) | 1.6 (1-2.4) |
| Yes | 134 (67) | 112 (56) |
Age is expressed as mean ± standard deviation; for the case patients, the value refers to the age at onset of myocardial infarction. In the other rows, the values denote numbers of case patients or controls followed by percentage of the total for that group in parentheses.
At least one first-degree relative with a history of ischemic heart disease or sudden death before the age of 60 years.
Systolic blood pressure >140 mm Hg or diastolic blood pressure >95 mm Hg at the time of admission.
Weight more than 25% above the ideal body weight.
Total serum cholesterol level ≥200 mg/dL (5.2 mmol/L) at the time of admission for the cases and at the time of blood sampling for the controls.