Descriptive data of the two groups of patients in the study: patients with myocardial infarction (MI) and without myocardial infarction (non-MI)
| MI | Non-MI | p Value | |
|---|---|---|---|
| Number | 195 | 246 | |
| Sex (% male) | 70 | 66 | 0.60* |
| Age (years) | 61.4 (0.8) | 57.9 (0.8) | 0.003 |
| Previous MI (%) | 18 | 32 | 0.001* |
| Hypertensive (%) | 26.0 | 24.5 | 0.79* |
| Asian origin (%) | 18 | 22 | 0.29* |
| Time (h) from initial worst pain to CCU (median (range)) | 4.6 (3 to 8) | 5.0 (3 to 9) | 0.23 |
| Admission Killip score | 9.6 (0.2) | 8.1 (0.2) | < 0.0001 |
| Admission plasma glucose (mmol/l) | 7.6 (0.1) | 6.2 (0.1) | < 0.001 |
| Admission plasma insulin (mU/l) | 16.5 (0.9) | 16.6 (1.3) | 0.10 |
| AIRI | 5.1 (0.3) | 4.6 (0.5) | < 0.0001 |
| Admission plasma cholesterol (mmol/l) | 6.4 (0.1) | 6.2 (0.15) | 0.15 |
| Admission plasma triglycerides (mmol/l) | 1.6 (0.1) | 1.7 (0.1) | 0.29 |
| Mody mass index (kg/m2) | 25.2 (0.3) | 25.9 (0.4) | 0.28 |
| Waist/hip ratio | 0.96 (0.01) | 0.96 (0.01) | 0.79 |
| Revascularisation (%) | 28 | 20 | 0.06* |
Values are mean (SEM) unless stated otherwise.
p Values are given for comparisons between the two groups using the Mann–Whitney U test or χ2 analysis*.
AIRI, admission insulin resistance index; CCU, coronary care unit.