Table 1

Patients characteristics

Missing dataOverall
(N = 1391)
Slow
(N = 464)
Middle
(N = 464)
Fast
(N = 463)
P value
Age, years074 (65, 80)78 (70, 84)73 (64, 80)71 (61, 77)<0.001
Female, n (%)0499 (35.9)231 (49.8)158 (34.1)110 (23.8)<0.001
Body mass index, kg/m2023.3 (20.8, 26.4)23.1 (20.5, 26.5)23.3 (21.0, 26.8)23.4 (21.2, 26.2)
NYHA functional class, n (%)
III/IV1141226 (88.1)413 (89.0)413 (89.0)386 (83.4)<0.001
Systolic blood pressure, mmHg0128 (108, 150)129 (107, 154)128 (108, 150)128 (109, 150)0.857
Heart rate, b.p.m.1082 (70, 102)84 (70, 106)84 (70, 104)80 (70, 97)0.007
LVEF, %9040 (27, 56)40 (26, 56)38 (26, 55)40 (29, 56)0.250
Comorbidities, n (%)
 Hypertension0967 (69.5)335 (72.2)319 (68.8)313 (67.6)0.286
 Diabetes mellitus0622 (44.7)213 (45.9)207 (44.6)202 (43.6)0.783
 Dyslipidaemia0554 (39.8)182 (39.2)185 (39.9)187 (40.4)0.936
 Atrial fibrillation0619 (44.5)200 (43.1)215 (46.3)204 (44.1)0.596
 Ischaemic aetiology0413 (29.7)135 (29.1)134 (28.9)144 (31.1)0.717
 COPD067 (4.8)19 (4.1)29 (6.3)19 (4.1)0.210
 Stroke0167 (12.0)82 (17.7)50 (10.8)35 (7.6)0.002
Prior HF admission, n (%)0629 (45.2)221 (47.6)211 (45.5)216 (46.7)0.805
Current smoker, n (%)19215 (15.5)53 (11.4)79 (17.0)83 (17.9)0.012
Laboratory data
 Haemoglobin, g/dL212.1 (10.4, 13.8)11.6 (10.0, 13.3)12.1 (10.0, 13.9)12.1 (10.6, 14.3)<0.001
 Albumin, g/dL153.4 (3.1, 3.7)3.3 (3.0, 3.6)3.4 (3.1, 3.7)3.5 (3.1, 3.8)<0.001
 Creatinine, mg/dL21.22 (0.94, 1.74)1.22 (1.01, 1.90)1.24 (0.96, 1.78)1.18 (0.89, 1.65)0.086
 eGFR, mL/min/1.73 m2243 (28, 57)40 (27, 53)41 (28, 54)47 (31, 63)<0.001
 Sodium, mEq/mL2138 (136, 140)138 (135, 141)138 (136, 140)139 (136, 140)0.162
 BNP, pg/mL144798 (421, 1443)876 (477, 1570)845 (454, 1487)644 (354, 1185)<0.001
Medications, n (%)
 ACEI/ARB0820 (58.9)274 (59.0)275 (59.3)271 (58.5)0.944
 β-blocker0701 (50.4)247 (53.2)226 (48.7)228 (49.2)0.558
 MRA0640 (46.0)195 (42.0)223 (48.1)222 (47.9)0.091
Physical activity before admission331<0.001
 Minimum654 (47.0)259 (55.8)216 (46.6)179 (38.7)
 Low126 (9.1)34 (7.3)47 (10.1)45 (9.7)
 Adequate280 (20.1)52 (11.2)107 (23.1)121 (26.1)
 High0 (0.0)0 (0.0)0 (0.0)0 (0.0)
Date of walking speed measurement02 (1, 3)2 (1, 3)2 (1, 3)2 (1, 3)0.101
Walking speed, m/s00.70 (0.54, 0.88)0.48 (0.40, 0.54)0.70 (0.66, 0.76)0.96 (0.88, 1.06)<0.001
Missing dataOverall
(N = 1391)
Slow
(N = 464)
Middle
(N = 464)
Fast
(N = 463)
P value
Age, years074 (65, 80)78 (70, 84)73 (64, 80)71 (61, 77)<0.001
Female, n (%)0499 (35.9)231 (49.8)158 (34.1)110 (23.8)<0.001
Body mass index, kg/m2023.3 (20.8, 26.4)23.1 (20.5, 26.5)23.3 (21.0, 26.8)23.4 (21.2, 26.2)
NYHA functional class, n (%)
III/IV1141226 (88.1)413 (89.0)413 (89.0)386 (83.4)<0.001
Systolic blood pressure, mmHg0128 (108, 150)129 (107, 154)128 (108, 150)128 (109, 150)0.857
Heart rate, b.p.m.1082 (70, 102)84 (70, 106)84 (70, 104)80 (70, 97)0.007
LVEF, %9040 (27, 56)40 (26, 56)38 (26, 55)40 (29, 56)0.250
Comorbidities, n (%)
 Hypertension0967 (69.5)335 (72.2)319 (68.8)313 (67.6)0.286
 Diabetes mellitus0622 (44.7)213 (45.9)207 (44.6)202 (43.6)0.783
 Dyslipidaemia0554 (39.8)182 (39.2)185 (39.9)187 (40.4)0.936
 Atrial fibrillation0619 (44.5)200 (43.1)215 (46.3)204 (44.1)0.596
 Ischaemic aetiology0413 (29.7)135 (29.1)134 (28.9)144 (31.1)0.717
 COPD067 (4.8)19 (4.1)29 (6.3)19 (4.1)0.210
 Stroke0167 (12.0)82 (17.7)50 (10.8)35 (7.6)0.002
Prior HF admission, n (%)0629 (45.2)221 (47.6)211 (45.5)216 (46.7)0.805
Current smoker, n (%)19215 (15.5)53 (11.4)79 (17.0)83 (17.9)0.012
Laboratory data
 Haemoglobin, g/dL212.1 (10.4, 13.8)11.6 (10.0, 13.3)12.1 (10.0, 13.9)12.1 (10.6, 14.3)<0.001
 Albumin, g/dL153.4 (3.1, 3.7)3.3 (3.0, 3.6)3.4 (3.1, 3.7)3.5 (3.1, 3.8)<0.001
 Creatinine, mg/dL21.22 (0.94, 1.74)1.22 (1.01, 1.90)1.24 (0.96, 1.78)1.18 (0.89, 1.65)0.086
 eGFR, mL/min/1.73 m2243 (28, 57)40 (27, 53)41 (28, 54)47 (31, 63)<0.001
 Sodium, mEq/mL2138 (136, 140)138 (135, 141)138 (136, 140)139 (136, 140)0.162
 BNP, pg/mL144798 (421, 1443)876 (477, 1570)845 (454, 1487)644 (354, 1185)<0.001
Medications, n (%)
 ACEI/ARB0820 (58.9)274 (59.0)275 (59.3)271 (58.5)0.944
 β-blocker0701 (50.4)247 (53.2)226 (48.7)228 (49.2)0.558
 MRA0640 (46.0)195 (42.0)223 (48.1)222 (47.9)0.091
Physical activity before admission331<0.001
 Minimum654 (47.0)259 (55.8)216 (46.6)179 (38.7)
 Low126 (9.1)34 (7.3)47 (10.1)45 (9.7)
 Adequate280 (20.1)52 (11.2)107 (23.1)121 (26.1)
 High0 (0.0)0 (0.0)0 (0.0)0 (0.0)
Date of walking speed measurement02 (1, 3)2 (1, 3)2 (1, 3)2 (1, 3)0.101
Walking speed, m/s00.70 (0.54, 0.88)0.48 (0.40, 0.54)0.70 (0.66, 0.76)0.96 (0.88, 1.06)<0.001

Data are expressed as median (interquartile range) and number (%). Walking speed was classified according to tertile.

ACEI, angiotensin-converting enzyme inhibitor; ARB, angiotensin receptor blocker; BNP, brain natriuretic peptide; COPD, chronic obstructive pulmonary disease; eGFR, estimated glomerular filtration rate; HF, heart failure; LVEF, left ventricular ejection fraction; MRA, mineralocorticoid receptor antagonist; NYHA, New York Heart Association.

Table 1

Patients characteristics

Missing dataOverall
(N = 1391)
Slow
(N = 464)
Middle
(N = 464)
Fast
(N = 463)
P value
Age, years074 (65, 80)78 (70, 84)73 (64, 80)71 (61, 77)<0.001
Female, n (%)0499 (35.9)231 (49.8)158 (34.1)110 (23.8)<0.001
Body mass index, kg/m2023.3 (20.8, 26.4)23.1 (20.5, 26.5)23.3 (21.0, 26.8)23.4 (21.2, 26.2)
NYHA functional class, n (%)
III/IV1141226 (88.1)413 (89.0)413 (89.0)386 (83.4)<0.001
Systolic blood pressure, mmHg0128 (108, 150)129 (107, 154)128 (108, 150)128 (109, 150)0.857
Heart rate, b.p.m.1082 (70, 102)84 (70, 106)84 (70, 104)80 (70, 97)0.007
LVEF, %9040 (27, 56)40 (26, 56)38 (26, 55)40 (29, 56)0.250
Comorbidities, n (%)
 Hypertension0967 (69.5)335 (72.2)319 (68.8)313 (67.6)0.286
 Diabetes mellitus0622 (44.7)213 (45.9)207 (44.6)202 (43.6)0.783
 Dyslipidaemia0554 (39.8)182 (39.2)185 (39.9)187 (40.4)0.936
 Atrial fibrillation0619 (44.5)200 (43.1)215 (46.3)204 (44.1)0.596
 Ischaemic aetiology0413 (29.7)135 (29.1)134 (28.9)144 (31.1)0.717
 COPD067 (4.8)19 (4.1)29 (6.3)19 (4.1)0.210
 Stroke0167 (12.0)82 (17.7)50 (10.8)35 (7.6)0.002
Prior HF admission, n (%)0629 (45.2)221 (47.6)211 (45.5)216 (46.7)0.805
Current smoker, n (%)19215 (15.5)53 (11.4)79 (17.0)83 (17.9)0.012
Laboratory data
 Haemoglobin, g/dL212.1 (10.4, 13.8)11.6 (10.0, 13.3)12.1 (10.0, 13.9)12.1 (10.6, 14.3)<0.001
 Albumin, g/dL153.4 (3.1, 3.7)3.3 (3.0, 3.6)3.4 (3.1, 3.7)3.5 (3.1, 3.8)<0.001
 Creatinine, mg/dL21.22 (0.94, 1.74)1.22 (1.01, 1.90)1.24 (0.96, 1.78)1.18 (0.89, 1.65)0.086
 eGFR, mL/min/1.73 m2243 (28, 57)40 (27, 53)41 (28, 54)47 (31, 63)<0.001
 Sodium, mEq/mL2138 (136, 140)138 (135, 141)138 (136, 140)139 (136, 140)0.162
 BNP, pg/mL144798 (421, 1443)876 (477, 1570)845 (454, 1487)644 (354, 1185)<0.001
Medications, n (%)
 ACEI/ARB0820 (58.9)274 (59.0)275 (59.3)271 (58.5)0.944
 β-blocker0701 (50.4)247 (53.2)226 (48.7)228 (49.2)0.558
 MRA0640 (46.0)195 (42.0)223 (48.1)222 (47.9)0.091
Physical activity before admission331<0.001
 Minimum654 (47.0)259 (55.8)216 (46.6)179 (38.7)
 Low126 (9.1)34 (7.3)47 (10.1)45 (9.7)
 Adequate280 (20.1)52 (11.2)107 (23.1)121 (26.1)
 High0 (0.0)0 (0.0)0 (0.0)0 (0.0)
Date of walking speed measurement02 (1, 3)2 (1, 3)2 (1, 3)2 (1, 3)0.101
Walking speed, m/s00.70 (0.54, 0.88)0.48 (0.40, 0.54)0.70 (0.66, 0.76)0.96 (0.88, 1.06)<0.001
Missing dataOverall
(N = 1391)
Slow
(N = 464)
Middle
(N = 464)
Fast
(N = 463)
P value
Age, years074 (65, 80)78 (70, 84)73 (64, 80)71 (61, 77)<0.001
Female, n (%)0499 (35.9)231 (49.8)158 (34.1)110 (23.8)<0.001
Body mass index, kg/m2023.3 (20.8, 26.4)23.1 (20.5, 26.5)23.3 (21.0, 26.8)23.4 (21.2, 26.2)
NYHA functional class, n (%)
III/IV1141226 (88.1)413 (89.0)413 (89.0)386 (83.4)<0.001
Systolic blood pressure, mmHg0128 (108, 150)129 (107, 154)128 (108, 150)128 (109, 150)0.857
Heart rate, b.p.m.1082 (70, 102)84 (70, 106)84 (70, 104)80 (70, 97)0.007
LVEF, %9040 (27, 56)40 (26, 56)38 (26, 55)40 (29, 56)0.250
Comorbidities, n (%)
 Hypertension0967 (69.5)335 (72.2)319 (68.8)313 (67.6)0.286
 Diabetes mellitus0622 (44.7)213 (45.9)207 (44.6)202 (43.6)0.783
 Dyslipidaemia0554 (39.8)182 (39.2)185 (39.9)187 (40.4)0.936
 Atrial fibrillation0619 (44.5)200 (43.1)215 (46.3)204 (44.1)0.596
 Ischaemic aetiology0413 (29.7)135 (29.1)134 (28.9)144 (31.1)0.717
 COPD067 (4.8)19 (4.1)29 (6.3)19 (4.1)0.210
 Stroke0167 (12.0)82 (17.7)50 (10.8)35 (7.6)0.002
Prior HF admission, n (%)0629 (45.2)221 (47.6)211 (45.5)216 (46.7)0.805
Current smoker, n (%)19215 (15.5)53 (11.4)79 (17.0)83 (17.9)0.012
Laboratory data
 Haemoglobin, g/dL212.1 (10.4, 13.8)11.6 (10.0, 13.3)12.1 (10.0, 13.9)12.1 (10.6, 14.3)<0.001
 Albumin, g/dL153.4 (3.1, 3.7)3.3 (3.0, 3.6)3.4 (3.1, 3.7)3.5 (3.1, 3.8)<0.001
 Creatinine, mg/dL21.22 (0.94, 1.74)1.22 (1.01, 1.90)1.24 (0.96, 1.78)1.18 (0.89, 1.65)0.086
 eGFR, mL/min/1.73 m2243 (28, 57)40 (27, 53)41 (28, 54)47 (31, 63)<0.001
 Sodium, mEq/mL2138 (136, 140)138 (135, 141)138 (136, 140)139 (136, 140)0.162
 BNP, pg/mL144798 (421, 1443)876 (477, 1570)845 (454, 1487)644 (354, 1185)<0.001
Medications, n (%)
 ACEI/ARB0820 (58.9)274 (59.0)275 (59.3)271 (58.5)0.944
 β-blocker0701 (50.4)247 (53.2)226 (48.7)228 (49.2)0.558
 MRA0640 (46.0)195 (42.0)223 (48.1)222 (47.9)0.091
Physical activity before admission331<0.001
 Minimum654 (47.0)259 (55.8)216 (46.6)179 (38.7)
 Low126 (9.1)34 (7.3)47 (10.1)45 (9.7)
 Adequate280 (20.1)52 (11.2)107 (23.1)121 (26.1)
 High0 (0.0)0 (0.0)0 (0.0)0 (0.0)
Date of walking speed measurement02 (1, 3)2 (1, 3)2 (1, 3)2 (1, 3)0.101
Walking speed, m/s00.70 (0.54, 0.88)0.48 (0.40, 0.54)0.70 (0.66, 0.76)0.96 (0.88, 1.06)<0.001

Data are expressed as median (interquartile range) and number (%). Walking speed was classified according to tertile.

ACEI, angiotensin-converting enzyme inhibitor; ARB, angiotensin receptor blocker; BNP, brain natriuretic peptide; COPD, chronic obstructive pulmonary disease; eGFR, estimated glomerular filtration rate; HF, heart failure; LVEF, left ventricular ejection fraction; MRA, mineralocorticoid receptor antagonist; NYHA, New York Heart Association.

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