Table 1.
Baseline characteristics of patients according to TIMI flow before percutaneous coronary intervention
| TIMI 0/1 (n=861) | TIMI 2 (n=279) | TIMI 3 (n=477) | p-value | |
|---|---|---|---|---|
| Age (years) | 59 (52–69) | 62 (53–72) | 60 (51–70) | 0.226 |
| Women | 22.0 | 21.5 | 25.2 | 0.346 |
| Weight (kg) | 78 (69–87) | 77 (70–85) | 77 (68–85) | 0.049 |
| Previous CHF | 1.3 | 0.7 | 1.3 | 0.739 |
| Previous MI | 11.2 | 9.0 | 12.8 | 0.278 |
| Previous PCI | 8.0 | 8.4 | 8.7 | 0.902 |
| Previous CABG | 1.8 | 1.4 | 2.3 | 0.651 |
| Hypertension | 47.0 | 44.1 | 47.2 | 0.658 |
| Diabetes | 15.9 | 14.0 | 18.5 | 0.241 |
| Current smoker | 48.4 | 48.7 | 43.9 | 0.261 |
| Heart rate (bpm) | 75 (64–86) | 72 (62–84) | 73 (62–86) | 0.353 |
| Systolic blood pressure (mmHg) | 130 (119–150) | 135 (120–150) | 136 (120–150) | 0.175 |
| Symptom onset to initial treatment (min) | 151 (105–220) | 140.5 (100–210) | 145 (97–220) | 0.284 |
| Symptom onset to angiography (min) | 248 (158–305) | 246 (151–291) | 245 (184–337) | |
| Killip class >I | 8.6 | 10.4 | 5.7 | 0.027 |
| Anterior MI location | 46.7 | 55.6 | 47.8 | 0.034 |
Values are % or median (interquartile range). Chi-squared test for categorical variables and Kruskal–Wallis test for continuous variables. CABG, coronary artery bypass graft; CHF, congestive heart failure; MI, myocardial infarction; PCI, percutaneous coronary intervention; TIMI, thrombolysis in myocardial infarction.