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Table 1 Clinical and angiographic characteristics in two subgroups of the patients with preserved and impaired CFR

From: Non-invasive evaluation of myocardial reperfusion by transthoracic Doppler echocardiography and single-photon emission computed tomography in patients with anterior acute myocardial infarction

Characteristics   Preserved CFR (N = 19) Impaired CFR (N = 25) p value
Age   50.26 (8.46) 51.76 (10.78) 0.620
Gender Men 16 (84.2%) 22 (88.0%) 0.525
Cigarette smoking   11 (57.9%) 13 (52.0%) 0.467
Hypertension   12 (63.2%) 17 (68.0%) 0.492
Hypercholesterolemia   19 (100%) 25 (100%) -
Obesity   5 (26.3%) 9 (36.0%) 0.363
ACE inhibitors   6 (31.6%) 5 (20.0%) 0.298
Beta-blockers   4 (21.1%) 8 (32.0%) 0.323
Aspirin   1 (5.3%) 3 (12.0%) 0.415
Diuretics   2 (10.5%) 2 (8.0%) 0.585
Nitrates   0 1 (4.0%) 0.568
Peak CK-MB (U/l)   208.64 (272.20) 428.14 (565.51) 0.127
Peak Troponin I (μg/l)   76.11 (102.66) 130.00 (102.49) 0.084
Time interval from the onset of chest pain to PCI 0-3 hours 12 (63.2%) 7 (28.0%)  
  3-6 hours 6 (31.6%) 7 (28.0%) 0.011
  > 6 hours 1 (5.2%) 11 (44.0%)  
ECG ST-segment complete resolution (≥ 70%) during 1 hour after PCI   9 (47.4%) 4 (16.7%) 0.033
TIMI flow grade before PCI I* 2 (10.5%) 1 (4.0%) 0.396
  No flow 17 (89.5%) 24 (96.0%)  
Collaterals   6 (31.6%) 7 (28.0%) 0.528
  1. Data are mean (SD) or number (%) of patients.
  2. ACE - angiotensin converting enzyme; CK - creatine kinase; PCI - percutaneous coronary intervention; ECG - electrocardiography; TIMI - Thrombolysis in Myocardial Infarction; LAD - left anterior descending coronary artery, AMI - acute myocardial infarction.