Table 2.
Baseline Patient and Hospital Characteristics of Patients with HFrEF, GWTG-HF 2005–2011
| Variable | Overall (N=15994) | White (N=12859) | Black (N=1724) | Hispanic (N=840) | Asian (N=176) | Other (N=395) | P-value |
|---|---|---|---|---|---|---|---|
|
| |||||||
| Demographics | |||||||
| Age, yrs, mean(SD*) | 78.6 (7.9) | 79.2 (7.8) | 75.7 (7.8) | 76.7 (7.7) | 79.0 (7.6) | 77.3 (8.3) | <0.0001 |
| Female, No. (%) | 6297 (39.4) | 4943 (38.4) | 800 (46.4) | 326 (38.8) | 72 (40.9) | 156 (39.5) | <0.0001 |
| Insurance Status, No. (%) | <0.0001 | ||||||
| Medicare | 11454 (75.9) | 9307 (76.3) | 1161 (72.8) | 570 (74.0) | 132 (79.5) | 156 (39.5) | |
| Medicaid | 728 (4.8) | 387 (3.2) | 208 (13.0) | 106 (13.8) | 16 (9.6) | 284 (77.4) | |
| Other | 2910 (19.3) | 2500 (20.5) | 226 (14.2) | 94 (12.2) | 18 (10.8) | 11 (3.0) | |
| BMI, kg/m2, mean(SD*) | 26.7 (6.6) | 26.6 (6.6) | 27.6 (7.4) | 27.0 (6.0) | 23.4 (5.5) | 26.6 (6.4) | <0.0001 |
| BMI, categories, No. (%) | <0.0001 | ||||||
| Underweight (≤ 18.5 kg/m2) | 903 (5.7) | 734 (5.7) | 89 (5.2) | 37 (4.4) | 24 (13.6) | 19 (4.8) | |
| Normal (18.5 – 24.9 kg/m2) | 6363 (39.8) | 5156 (40.1) | 628 (36.4) | 314 (37.4) | 100 (56.8) | 165 (41.8) | |
| Overweight (25 – 29.9 kg/m2) | 4890 (30.6) | 3972 (30.9) | 489 (28.4) | 275 (32.7) | 40 (22.7) | 114 (28.9) | |
| Obese I (30 – 34.9 kg/m2) | 2344 (14.7) | 1831 (14.2) | 304 (17.6) | 135 (16.1) | 8 (4.6) | 66 (16.7) | |
| Obese II (35 – 39.9 kg/m2) | 899 (5.6) | 709 (5.5) | 120 (7.0) | 53 (6.3) | 2 (1.1) | 15 (3.8) | |
| Obese III (≥40 kg/m2) | 595 (3.7) | 457 (3.6) | 94 (5.5) | 26 (3.1) | 2 (1.1) | 16 (4.1) | |
| Comorbidities | |||||||
| Diabetes-Insulin Treated, No. (%) | 2510 (15.8) | 1899 (14.9) | 329 (19.2) | 196 (23.5) | 23 (13.1) | 63 (16.3) | <0.0001 |
| Diabetes-Non-insulin Treated, No. (%) | 3706 (23.4) | 2894 (22.7) | 426 (24.8) | 245 (29.3) | 60 (34.3) | 81 (20.9) | <0.0001 |
| Hypertension, No. (%) | 11633 (73.4) | 9108 (71.5) | 1423 (83.0) | 695 (83.2) | 132 (75.4) | 275 (71.1) | <0.0001 |
| Ischemic Etiology, No. (%) | 10807 (68.2) | 8981 (70.5) | 915 (53.4) | 553 (66.2) | 114 (65.1) | 244 (63.1) | <0.0001 |
| CAD, No. (%) | 9369 (59.1) | 7812 (61.3) | 783 (45.7) | 482 (57.7) | 89 (50.9) | 203 (52.5) | <0.0001 |
| CVA/TIA, No. (%) | 2487 (15.7) | 2002 (15.7) | 298 (17.4) | 99 (11.9) | 27 (15.4) | 61 (15.8) | 0.0114 |
| Anemia, No. (%) | 2535 (16.0) | 2024 (15.9) | 325 (19.0) | 113 (13.5) | 25 (14.3) | 48 (12.4) | 0.0007 |
| Smoking, No. (%) | 1775 (11.2) | 1345 (10.6) | 285 (16.6) | 86 (10.3) | 6 (3.4) | 53 (13.6) | <0.0001 |
| Renal Insufficiency, No. (%) | 3204 (20.2) | 2497 (19.6) | 414 (24.1) | 165 (19.8) | 49 (28.0) | 79 (20.4) | <0.0001 |
| Hospital Characteristics | |||||||
| Number of Beds, mean (SD*) | 429.9(233.6) | 430.3 (236.2) | 465.0 (233.8) | 386.9(180.6) | 350.5(212.4) | 393.3(229.1) | <0.0001 |
| Teaching Hospital, mean (SD*) | 10142 (63.4) | 8047 (62.6) | 1257 (74.0) | 472 (56.2) | 104 (59.1) | 244 (61.8) | <0.0001 |
*
SD - standard deviation.