Table 1. Baseline characteristics according to eGFR categories based on the last serum creatinine levels during ADHF hospitalization.
| Baseline characteristics | eGFR:60+ | eGFR:60–45 | eGFR:45–30 | eGFR:30–15 | eGFR<15 |
|---|---|---|---|---|---|
| Weighted N | 7329 (29.4) | 5295 (21.2) | 5679 (22.8) | 3934 (15.8) | 2696 (10.8) |
| Age | 72 (22.5) | 76 (22.7) | 78 (22.1) | 79 (20.2) | 73 (21.1) |
| Female | 3526 (48.1) | 2848 (53.8) | 3278 (57.7) | 2154 (54.8) | 1357 (50.3) |
| African-Americans | 2404 (32.8) | 1342 (25.3) | 1380 (24.3) | 1032 (26.2) | 1112 (41.2) |
| Smoker | 1439 (19.6) | 711 (13.4) | 544 (9.6) | 332 (8.4) | 331 (12.3) |
| Hypertension | 5943 (81.1) | 4422 (83.5) | 4892 (86.1) | 3379 (85.9) | 2427 (90.0) |
| Diabetes | 3196 (43.6) | 2209 (41.7) | 2621 (46.2) | 2207 (56.1) | 1694 (62.8) |
| Health Insurance | |||||
| Medicare/Medicaid | 1997 (29.0) | 1482 (29.2) | 1614 (29.2) | 1093 (28.7) | 1043 (40.1) |
| Private | 4887 (71.0) | 3591 (70.8) | 3921 (70.8) | 2710 (71.3) | 1559 (59.9) |
| History of HF | 4634 (63.2) | 3759 (71.0) | 4214 (74.2) | 2983 (75.8) | 2082 (77.2) |
| Prior HF hospitalization | 2300 (31.4) | 1750 (33.1) | 2198 (38.7) | 1459 (37.1) | 1162 (43.1) |
| Prior HF treat | 3760 (51.3) | 3216 (60.7) | 3611 (63.6) | 2542 (64.6) | 1727 (64.1) |
| Ejection fraction | |||||
| Preserved | 2936 (44.0) | 2052 (42.5) | 2362 (45.2) | 1482 (42.7) | 1040 (45.5) |
| Reduced | 3737 (56.0) | 2773 (57.5) | 2859 (54.8) | 1987 (57.3) | 1244 (54.5) |
| COPD | 2870 (39.2) | 1942 (36.7) | 1975 (34.8) | 1213 (30.8) | 851 (31.6) |
| Coronary Disease | 3145 (42.9) | 2421 (45.7) | 2785 (49.0) | 1896 (48.2) | 1257 (46.6) |
| Hemoglobin | 12 (1.9) | 12 (1.9) | 11 (1.8) | 11 (1.5) | 11 (1.7) |
| Sodium | 139 (3.9) | 139 (3.6) | 139 (3.9) | 139 (4.5) | 138 (4.5) |
| BUN | 20 (9.6) | 26 (11.3) | 35 (15.7) | 52 (21.1) | 52 (28.9) |
| Systolic BP | 142 (31.4) | 142 (33.2) | 142 (33.2) | 140 (34.4) | 145 (37.9) |
| Diastolic BP | 79 (20.0) | 78 (19.6) | 76 (20.0) | 75 (20.0) | 77 (20.8) |
Values are mean (SD) and n (%)