Table 1.
Characteristics of 874 Participants, Stratified by Presence of Anemia
| Hemoglobin (g/dL) | |||
|---|---|---|---|
| Variable | ≤12 (n = 90) |
>12 (n = 784) |
p Value |
| Age (yrs) | 68 ± 12 | 66 ±11 | 0.12 |
| Men | 59 (66%) | 657 (84%) | <0.0001 |
| White | 39 (43%) | 466 (60%) | 0.003 |
| Married | 30 (33%) | 335 (43%) | 0.08 |
| Smoking (current) | 14 (16%) | 156 (20%) | 0.32 |
| Alcohol (regular use) | 17 (19%) | 229 (29%) | 0.05 |
| Hypertension | 71 (79%) | 554 (71%) | 0.11 |
| Diabetes mellitus | 37 (41%) | 192 (25%) | 0.0007 |
| Congestive heart failure | 22 (25%) | 119 (15%) | 0.02 |
| Angina weekly or more | 18 (20%) | 145 (19%) | 0.74 |
| Previous myocardial infarction | 49 (55%) | 426 (55%) | 0.94 |
| Previous stroke | 15 (17%) | 112 (14%) | 0.55 |
| Previous coronary bypass | 27 (30%) | 290 (37%) | 0.20 |
| Previous angioplasty | 31 (35%) | 311 (40%) | 0.37 |
| Chronic lung disease | 13 (14%) | 125 (16%) | 0.70 |
| Physically active | 47 (52%) | 508 (65%) | 0.02 |
| β-Blocker therapy | 55 (61%) | 465 (59%) | 0.74 |
| Renin-angiotensin system inhibitor therapy | 51 (57%) | 377 (48%) | 0.12 |
| Diuretic (loop or thiazide) therapy | 41 (46%) | 204 (26%) | <0.0001 |
| Statin therapy | 56 (62%) | 513 (65%) | 0.54 |
| Aspirin therapy | 67 (74%) | 636 (81%) | 0.13 |
| Antidepressant therapy | 16 (18%) | 152 (19%) | 0.71 |
| LV mass index (g/m2) | 104 ± 26 | 97 ± 26 | 0.007 |
| LV ejection fraction (%) | 62 ± 10 | 62 ± 9 | 0.66 |
| Diastolic dominant pulmonary vein flow (%) | 20 (22%) | 79 (10%) | 0.0007 |
| Wall motion score index | 1.19 ± 0.37 | 1.16 ± 0.34 | 0.49 |
| Inducible ischemia | 21 (23%) | 164 (21%) | 0.60 |
| Heart rate at rest (beats/min) | 67 ± 13 | 67 ± 13 | 0.89 |
| Systolic blood pressure (mm Hg) | 137 ± 23 | 133 ±21 | 0.09 |
| Diastolic blood pressure (mm Hg) | 72 ± 12 | 75 ±11 | 0.01 |
| Body mass index (kg/m2) | 28 ± 5 | 28 ± 6 | 0.54 |
| Creatinine clearance (ml/min) | 61 ± 25 | 84 ± 28 | <0.0001 |
Values are mean ± SD or numbers of patients (percentages).