Table 1.
Characteristics of 6,219 Patients Hospitalized with Acute Myocardial Infarction According to Levels of Estimated Glomerular Filtration Rate (eGFR)
| Total Sample |
||||
|---|---|---|---|---|
| Characteristic | eGFR ≤30*(n=752) | eGFR 31–59 (n=2,313) | eGFR ≥60 (n=3,154) | P value# |
| Age (mean, yrs) | 77.1 (11.1)§ | 76.8 (10.7) | 64.6 (14.0) | <0.001 |
| Male (%) | 43.2 | 43.7 | 68.6 | <0.001 |
| Medical history (%) | ||||
| Angina | 23.5 | 25.4 | 20.0 | <0.001 |
| Diabetes | 51.2 | 36.8 | 24.9 | <0.001 |
| Heart failure | 50.9 | 31.7 | 10.1 | <0.001 |
| Hypertension | 82.1 | 75.5 | 57.8 | <0.001 |
| Stroke | 18.9 | 15.0 | 7.1 | <0.001 |
| Hypercholesterolemia | 38.0 | 42.9 | 47.3 | <0.001 |
| Physiologic factors (mean) | ||||
| Systolic blood pressure (mmHg) | 134.8 (37.4) | 142.4 (36.2) | 144.5 (30.9) | <0.001 |
| Diastolic blood pressure (mmHg) | 69.7 (22.8) | 74.6 (21.3) | 81.3 (19.4) | <0.001 |
| Serum glucose (mg/dl) | 230.9 (177.4) | 199.0 (131.9) | 163.9 (114.1) | <0.001 |
| Initial heart rate (bpm) | 89.3 (25.1) | 90.1 (25.4) | 83.5 (21.8) | <0.001 |
| Total cholesterol (mg/dl) | 169.3 (56.8) | 179.6 (57.2) | 187.2 (48.7) | <0.001 |
| Acute Myocardial Infarction Characteristics (%) | ||||
| Initial | 54.9 | 59.1 | 71.6 | <0.001 |
| Q-wave | 14.4 | 21.6 | 33.5 | <0.001 |
*
ml/min/1.73m2
§
standard deviation
#
Summary p value or ANOVA comparing differences in selected factors between the 3 primary comparison groups