| Age (years) |
85 [79-90] |
84 [78-90] |
88 [80-91] |
0.235 |
| Female, n (%) |
49 (45) |
24 (43) |
25 (46) |
0.717 |
| BMI (kg/m2) |
22.7 [20.4-26.1] |
22.7 [20.5-26.1] |
22.6 [20.1-26.3] |
0.856 |
| BW at admission (kg) |
55 [46-66] |
56 [46-67] |
55 [48-65] |
0.849 |
| BW at discharge (kg) |
50 [42-61] |
51 [42-59] |
50 [42-61] |
0.815 |
| BW change during hospitalization (kg) |
−4.0 [−8.0, −2.0] |
−4.0 [−8.0, −2.0] |
−5.5 [−8.3, −2.8] |
0.567 |
| Systolic blood pressure (mmHg) |
133 [114-159] |
137 [121-160] |
129 [111-156] |
0.278 |
| Diastolic blood pressure (mmHg) |
82 [65-95] |
81 [64-94] |
82 [66-96] |
0.756 |
| LVEF (%) |
55 [36-64] |
59 [42-64] |
54 [34-64] |
0.528 |
| LVEF ≥50%, n (%) |
68 (62) |
36 (64) |
32 (59) |
0.587 |
| Previous HF admission, n (%) |
31 (28) |
15 (27) |
16 (30) |
0.740 |
| Dilated cardiomyopathy, n (%) |
12 (11) |
5 (9) |
7 (13) |
0.497 |
| Ischemic heart disease, n (%) |
26 (24) |
15 (27) |
11 (20) |
0.429 |
| Hypertension, n (%) |
72 (66) |
34 (61) |
38 (70) |
0.287 |
| Diabetes mellitus, n (%) |
32 (29) |
16 (29) |
16 (30) |
0.903 |
| Chronic kidney disease, n (%) |
50 (46) |
26 (46) |
24 (44) |
0.835 |
| Atrial fibrillation, n (%) |
69 (63) |
38 (68) |
31 (57) |
0.257 |
| COPD, n (%) |
8 (7) |
4 (7) |
4 (7) |
0.957 |
| Stroke, n (%) |
32 (29) |
15 (27) |
17 (32) |
0.588 |
| Dementia, n (%) |
30 (27) |
16 (29) |
14 (26) |
0.755 |
| Living alone, n (%) |
10 (9) |
6 (11) |
4 (7) |
0.482 |
| Oral diuretics at admission |
| Oral furosemide, n (%) |
57 (52) |
30 (54) |
27 (50) |
0.708 |
| Oral furosemide dose (mg/day) |
30 [20-40] |
40 [20-40] |
20 [20-40] |
0.556 |
| Oral azosemide, n (%) |
19 (17) |
11 (20) |
8 (15) |
0.503 |
| Oral azosemide dose (mg/day) |
30 [30-60] |
30 [30-60] |
60 [15-105] |
0.395 |
| Treatment at admission |
| Continuous dobutamine, n (%) |
36 (33) |
15 (27) |
21 (39) |
0.176 |
| Intravenous furosemide, n (%) |
82 (75) |
33 (59) |
49 (91) |
<0.001 |
| Intravenous furosemide dose (mg/day) |
20 [20-20] |
20 [20-20] |
20 [20-40] |
0.003 |
| Laboratory data |
| Hb (g/dL) |
11.7 ± 2.4 |
12.0 ± 2.0 |
11.5 ± 2.8 |
0.327 |
| ALB (g/dL) |
3.4 ± 0.5 |
3.4 ± 0.4 |
3.4 ± 0.5 |
0.284 |
| Serum creatinine (mg/dL) |
1.19 [0.93-1.69] |
1.18 [0.90-1.82] |
1.19 [0.95-1.64] |
0.759 |
| Serum sodium (mEq/L) |
140 [138-143] |
140 [138-143] |
141 [138-144] |
0.344 |
| Serum potassium (mEq/L) |
4.4 ± 0.7 |
4.4 ± 0.7 |
4.4 ± 0.7 |
0.847 |
| BNP (pg/mL) |
731 [438-1378] |
747 [465-1412] |
727 [400-1353] |
0.813 |
| Medication at discharge |
| ACE-I/ARBs, n (%) |
77 (70) |
37 (66) |
40 (74) |
0.360 |
| Beta-blockers, n (%) |
70 (64) |
36 (64) |
34 (63) |
0.885 |
| MRAs, n (%) |
62 (56) |
31 (55) |
31 (57) |
0.828 |
| Loop diuretics, n (%) |
87 (79) |
41 (73) |
46 (85) |
0.123 |
