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. Author manuscript; available in PMC: 2020 Feb 23.
Published in final edited form as: J Cardiovasc Nurs. 2017 Nov-Dec;32(6):530–537. doi: 10.1097/JCN.0000000000000407

Table 1.B.

Baseline Characteristics (Clinical)

All participants
(N=71)
Group 1a
(n = 19)
Group 2b
(n = 16)
Group 3c
(n = 9)
Group 4d
(n = 27)
P value
Ejection fraction, % (Mean±SD) 26.68 ± 6.61 24.86 ± 6.40 29.00 ± 8.22 28.33 ± 6.49 26.02 ± 5.47 .144
Peak VO2, mg/kg/min (Mean±SD) 13.72 ± 3.38 12.01 ± 2.92 13.95 ± 3.09 14.50 ± 6.49 14.50 ± 3.50 .144
Six minute walk, feet (Mean±SD) 1436.86 ± 209.47 1457.18 ± 176.63 1357.57 ± 167.52 1573.25 ± 331.52 1420.33 ± 189.50 .799
NYHA class, N (%) .539
 Class II 56 (78.9%) 13 (68.4%) 14 (87.5%) 8 (88.9%) 21 (77.8%)
 Class III 13 (18.3%) 5 (26.3%) 1 (6.3%) 1 (11.1%) 6 (22.2%)
 Class IV 2 (2.8%) 1 (5.3%) 1 (6.3%) 0 (0%) 0 (0%)
HF Etiology, Ischemic N (%) 30 (42.3%) 7 (36.8%) 6 (37.5%) 4 (44.4%) 13 (48.1%) .855
History of Hypertension, yes N (%) 32 (45.1%) 9 (47.4%) 8 (50.0%) 3 (33.3%) 12 (44.4%) .873
History of Diabetes, yes N (%) 22 (31.0%) 6 (31.6%) 5 (31.3%) 4 (44.4%) 7 (25.9%) .780
History of Dyslipidemia, yes N (%) 34 (47.9%) 9 (47.4%) 7 (43.8%) 4 (44.4%) 14 (51.9%) .955
History of Depression, yes N (%) 37 (52.1%) 6 (16.2%) 9 (24.3%) 13 (35.1%) 9 (24.3%) .367
Medications use, N (%)
 ACE Inhibitors 52 (73.2%) 11 (57.9%) 13 (81.3%) 7 (77.8%) 21 (77.8%) .364
 Angiotensin Receptor Blockers 13 (18.3%) 5 (26.3%) 3 (18.8) 1 (11.1%) 4 (14.8%) .718
 Beta-Blockers 50 (70.4%) 15 (78.9%) 9 (56.3%) 7 (77.8%) 19 (70.4%) .486
 Diuretics 61 (85.9%0 16 (84.2%) 12 (75.0%) 8 (88.9%) 25 (92.6%) .443
 Aldactone 21 (29.6%) 5 (26.3%) 6 (37.5%) 1 (11.1%) 9 (33.3%) .525
 Digoxin 49 (69.0%) 12 (63.2%) 12 (75.0%) 5 (55.6%) 20 (64.1%) .646
 Anti-depressants 27 (38.0%) 3 (11.1%) 8 (29.6%) 9 (33.3%) 7 (25.9%) .851
a

Group 1: participants with improvements in peak VO2 greater that 10%

b

Group 2: participants with improvements in peak VO2 less than 10%

c

Group 3: participants with reductions in peak VO2 less than 10%

d

Group 4: participants with reductions in peak VO2 greater that 10%