Table 1.
Baseline features of MI patients with type 1 diabetes and patients without diabetes
| Variable | All patients | Matched patients | ||||||
|---|---|---|---|---|---|---|---|---|
| Type 1 diabetes (n = 1,935) | No diabetes (n = 74,671) | P | |SMD| | Type 1 diabetes (n = 1,787) | No diabetes (n = 1,787) | P | |SMD| | |
| Age (SD), years | 62.5 (12.6) | 70.3 (13.2) | <0.0001 | 0.602 | 63.2 (12.6) | 63.6 (14.0) | 0.241 | 0.030 |
| Women, % | 40.6 | 36.4 | 0.0001 | 0.087 | 40.2 | 40.0 | 0.902 | 0.003 |
| Comorbidities, % | ||||||||
| Alcohol abuse | 5.0 | 3.2 | <0.0001 | 0.091 | 4.9 | 5.3 | 0.641 | 0.015 |
| Atrial fibrillation | 12.1 | 15.0 | 0.0004 | 0.085 | 12.4 | 12.4 | 1.000 | <0.001 |
| Cerebrovascular disease | 19.5 | 11.2 | <0.0001 | 0.231 | 18.2 | 18.5 | 0.816 | 0.007 |
| Chronic pulmonary disease | 12.4 | 13.1 | 0.350 | 0.022 | 12.8 | 12.2 | 0.581 | 0.017 |
| Dementia | 4.1 | 6.0 | 0.0004 | 0.088 | 4.4 | 4.3 | 0.933 | 0.003 |
| Heart failure | 37.3 | 19.6 | <0.0001 | 0.398 | 34.6 | 35.2 | 0.638 | 0.013 |
| Diabetic retinopathy or glaucoma | 40.9 | — | — | — | 38.6 | — | — | — |
| Diabetic hypoglycemic coma | 11.8 | — | — | — | 11.3 | — | — | — |
| Diabetic neuropathy | 10.8 | — | — | — | 10.6 | — | — | |
| Diabetic ketoacidosis | 8.4 | — | — | — | 7.7 | — | — | |
| Hypertension | 73.8 | 45.2 | <0.0001 | 0.609 | 71.8 | 70.1 | 0.109 | 0.037 |
| Liver disease | 3.3 | 1.0 | <0.0001 | 0.161 | 2.8 | 2.9 | 0.842 | 0.007 |
| Malignancy | 11.5 | 13.0 | 0.050 | 0.046 | 11.7 | 12.8 | 0.250 | 0.034 |
| Paralysis | 1.0 | 0.4 | <0.0001 | 0.070 | 1.0 | 0.8 | 0.590 | 0.018 |
| Peripheral vascular disease | 29.9 | 6.4 | <0.0001 | 0.642 | 25.6 | 25.8 | 0.893 | 0.004 |
| Prior CABG | 7.8 | 2.7 | <0.0001 | 0.232 | 6.5 | 7.6 | 0.197 | 0.042 |
| Prior MI | 22.2 | 13.3 | <0.0001 | 0.235 | 20.3 | 20.5 | 0.857 | 0.006 |
| Psychotic disorder | 3.4 | 3.1 | 0.403 | 0.019 | 3.5 | 3.5 | 1.000 | <0.001 |
| Rheumatic disease | 7.1 | 6.5 | 0.336 | 0.022 | 7.0 | 8.0 | 0.245 | 0.038 |
| Renal failure | 27.0 | 2.6 | <0.0001 | 0.733 | 21.3 | 21.6 | 0.773 | 0.007 |
| Valvular disease | 5.9 | 5.8 | 0.812 | 0.005 | 6.0 | 5.2 | 0.289 | 0.034 |
| Revascularization, % | 54.0 | 57.4 | 0.003 | 0.068 | 55.2 | 55.6 | 0.763 | 0.008 |
| PCI | 43.9 | 51.2 | <0.0001 | 0.154 | 45.0 | 45.2 | 0.863 | 0.004 |
| CABG | 11.1 | 6.4 | <0.0001 | 0.163 | 11.1 | 11.3 | 0.852 | 0.005 |
| STEMI, % | 30.4 | 39.4 | <0.0001 | 0.189 | 31.5 | 32.3 | 0.494 | 0.018 |
| Anterior MI* | 52.7 | 50.0 | 0.110 | 0.054 | 51.7 | 49.9 | 0.356 | 0.039 |
| University hospital, % | 53.9 | 49.7 | 0.0002 | 0.085 | 53.6 | 55.3 | 0.185 | 0.036 |
| Year of MI | <0.0001 | 0.172 | 0.988 | 0.026 | ||||
Features of all patients and propensity score–matched patients.
SMD, standardized mean difference.
*
Among patients with STEMI.