Table 1. Demographic and clinical properties and laboratory findings of groups.
| Low-glucose group (n = 457) | High-glucose group (n = 220) | P | |
| Male gender | 327 (71.5%) | 127 (57.7%) | < 0.001 |
| Diabetes mellitus | 76 (16.6%) | 46 (20.9%) | < 0.001 |
| Hypertension | 257 (56.2%) | 133 (60.4%) | 0.32 |
| Hyperlipidemia | 118 (25.8%) | 59 (26.8%) | 0.77 |
| Smoking | 184 (40.2%) | 75 (34%) | 0.04 |
| CABG | 19 (4.1%) | 8 (3.6%) | 0.76 |
| PCI | 33 (7.2%) | 24 (10.9%) | 0.09 |
| Prior MI | 55 (12%) | 30 (13.6%) | 0.55 |
| Killip > 1 | 27 (5.9%) | 46 (20.9%) | 0.001 |
| Age, yrs | 72.2 ± 5.5 | 72 ± 5.2 | 0.64 |
| Pain-balloon time, h | 3.5 ± 2.5 | 4.1 ± 2.8 | 0.03 |
| Door-balloon time, m | 32 ± 5 | 28 ± 4.5 | 0.76 |
| Laboratory findings | |||
| Baseline glucose, mg/dL | 128.6 ± 22.3 | 248.8 ± 91.7 | < 0.001 |
| Baseline creatinine, mg/dL | 1.08 ± 0.54 | 1.18 ± 0.6 | 0.03 |
| Peak CK-MB, U/L | 205.9 ± 170.6 | 267 ± 181.7 | < 0.001 |
| WBC, /mm3 | 10.9 ± 3.2 | 12.9 ± 4.7 | < 0.001 |
| Hemoglobin, g/dL | 12.8 ± 1.7 | 12.4 ± 1.9 | 0.004 |
| Total cholesterol, mg/dL | 178 ± 36.5 | 177.5 ± 42.9 | 0.97 |
| LDL cholesterol, mg/dL | 111.1 ± 28.7 | 110.8 ± 34.9 | 0.93 |
| HDL cholesterol, mg/dL | 42.9 ± 10.3 | 41.4 ± 10.4 | 0.15 |
| Triglyceride, mg/dL | 115.9 ± 55.4 | 122.5 ± 61.8 | 0.22 |
| eGFR (ml/min per 1.73 m2) | 73.4 ± 21.2 | 66.5 ± 23.5 | < 0.001 |
| Anemia | 183 (40%) | 95 (43%) | 0.38 |
Variables are reported as mean ± SD or n (%). CABG: coronary artery by-pass grafting; CK-MB: creatinine kinase-MB; eGFR; estimated glomerular filtration rate; HDL: high density lipoprotein; LDL: low density lipoprotein; MI: myocardial infarction; PCI: primary coronary intervention; WBC: white blood cell count.