Table 3.
Demographics and comorbidities of nonanemic patients referred for echocardiography or right heart catheterization
| TTE cohort (n = 4,880) | RHC cohort (n = 705) | |
|---|---|---|
| Age, mean (SD) | 56 (18) | 55 (15) |
| Race, white | 3,941 (81) | 618 (88) |
| Male | 1,878 (39) | 308 (44) |
| RDW, mean (SD) | 14.32 (1.17) | 14.54 (1.31) |
| Hemoglobin, mean (SD) | 13.55 (1.22) | 15.86 (12.39) |
| Days from RDW to TTE/RHC, median (IQR) | 4.1 (1–5) | 2.9 (7–0) |
| Atrial fibrillation | 910 (19) | 140 (20) |
| Chronic kidney disease | 111 (2) | 19 (3) |
| Chronic obstructive pulmonary disease | 414 (9) | 58 (8) |
| Chronic pulmonary heart disease | 474 (10) | 382 (54) |
| Coronary artery disease | 1,099 (23) | 281 (40) |
| Diabetes mellitus | 588 (12) | 94 (13) |
| Congestive heart failure | 952 (20) | 325 (46) |
| Hypertension | 2,451 (50) | 348 (49) |
| Obesity | 498 (10) | 115 (16) |
| Pulmonary arterial hypertension | 248 (5) | 217 (31) |
Definition of abbreviations: IQR = interquartile range; RDW = red cell distribution width; RHC = right heart catheterization; SD = standard deviation; TTE = transthoracic echocardiogram.
Data presented as n (%) unless otherwise noted.