Age, (yrs), (median IQR) |
56 (46–67) |
55 (47–64) |
58 (46–66) |
0.645 |
Women |
38% |
25% |
19% |
0.003 |
Nonwhite |
41% |
37% |
44% |
0.486 |
Baseline weight, (kg) (median, IQR) |
78 (62–96) |
85 (73–97) |
87 (76–106) |
<0.001 |
Etiology of the heart failure |
Ischemic |
43% |
50% |
54% |
0.209 |
Non-ischemic |
56% |
50% |
46% |
|
Hypertension |
49% |
43% |
48% |
0.654 |
Diabetes mellitus |
30% |
30% |
37% |
0.386 |
Current smoker |
7.1% |
10% |
21% |
0.047 |
Prior stroke |
0% |
0.8% |
0% |
1.000 |
Prior percutaneous coronary intervention |
16% |
23% |
29% |
0.035 |
Prior coronary artery bypass graft surgery |
27 |
32 |
31 |
0.608 |
Heart rate, (bpm) (median, IQR) |
80 (70–89) |
80 (70–93) |
84 (72–96) |
0.029 |
Blood pressure, (mm Hg) (median, IQR) |
Systolic |
102 (90–116) |
105 (94–117) |
106 (95–117) |
0.389 |
Diastolic |
63 (58–70) |
68 (60–73) |
70 (60–76) |
0.001 |
Orthopnea scale (0–4) |
3 (3–4) |
3 (3–4) |
3 (3–4) |
0.207 |
Jugular venous pressure >/=12 mm Hg |
46% |
46% |
67% |
0.001 |
Symptom score (global) |
42 (30–60) |
40 (30–60) |
40 (20–60) |
0.468 |
Left ventricular ejection fraction, (%) (median, IQR) |
20 (15–25) |
20 (15–23) |
17 (15–20) |
0.017 |
Serum sodium, (mEq/L) (median, IQR) |
137 (135–139) |
137 (136–140) |
137 (134–140) |
0.100 |
Blood Urea Nitrogen, (mg/dL) (median, IQR) |
29 (20–49) |
26 (17–35) |
29 (19–41) |
0.034 |
Serum creatinine, (mg/dL) (median, IQR) |
1.4 |
1.3 |
1.3 |
0.107 |
Baseline Brain Natriuretic Peptide, (pg/mmol) (median, IQR) |
428 (131–869) |
463 (168–1132) |
890 (389–1500) |
<0.001 |
Peak VO2 (median, IQR) |
9.9 |
10 |
7.9 |
<0.001 |
Six-minute walk, (ft) (median, IQR) |
360 (0–700) |
343 (0–830) |
300 (0–632) |
0.770 |
Beta-blocker prior to admission |
70% |
66% |
51% |
0.005 |
Angiotensin Converting Enzyme inhibitors or Angiotensin Receptor Blockers prior to admission |
97% |
98% |
94% |
0.183 |
Digoxin prior to admission |
75% |
77% |
70% |
0.401 |
Spironolactone prior to admission |
48% |
46% |
40% |
0.446 |