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Table 1 Demographic data

From: Mechanism of decreased sensitivity of dobutamine associated left ventricular wall motion analyses for appreciating inducible ischemia in older adults

Category Group I No LV perfusion defect or wall motion abnormality (n = 232) Group II LV perfusion defect present, no wall motion abnormality (n = 28) Group III LV perfusion defect and wall motion abnormality present (n = 18) p-value*
Age (years) 68 ± 8 70 ± 9 69 ± 8 0.32
Men (%) 110 (47%) 14 (50%) 14 (78%) 0.046
Race/Ethnicity     0.50
Caucasian 171 (74%) 23 (82%) 16 (89%)  
African Am. 56 (24%) 4 (14%) 2 (11%)  
Hispanic 2 (1%) 1 (4%) 0 (0%)  
Asian 3 (1%) 0 (0%) 0 (0%)  
Body mass index (m/kg2) 30.4 (6.5) 30.3 (4.8) 32.1 (5.4) 0.54
Hypertension 203 (88%) 27 (96%) 16 (89%) 0.38
Coronary artery disease 57 (25%) 9 (32%) 8 (44%) 0.14
Prior MI 16 (7%) 5 (17%) 3 (18%) 0.05
Prior revascularization (PCI or CABG) 31 (13%) 9 (32%) 8 (44%) <0.001
Diabetes 94 (41%) 11 (39%) 8 (44%) 0.94
Hypercholesterolemia 152 (70%) 22 (79%) 12 (86%) 0.30
Smoking 90 (42%) 10 (36%) 6 (43%) 0.79
Medications     
Angiotensin converting enzyme inhibitor 99 (43%) 15 (54%) 7 (39%) 0.52
Angiotensin receptor blocker 64 (30%) 5 (18%) 3 (20%) 0.30
Statin 152 (66%) 21 (75%) 14 (78%) 0.37
Beta blocker 99 (43%) 13 (46%) 11 (61%) 0.32
Calcium channel antagonist 68 (30%) 8 (29%) 9 (50%) 0.20
  1. *Analysis of variance test of equality of three groups. Summary statistics are mean (standard error) for continuous variables and frequency (%) for categorical variables. Abbreviations: CABG, coronary artery bypass grafting; LV, left ventricular; MI, myocardial infarction; PCI, percutaneous coronary intervention.