Table 1.

Baseline Characteristics

VariableNo Functional Improvement, N=13Functional Improvement, N=25P Value
Age, y73.9±7.272.4±7.90.6
Male sex, n (%)9 (69)22 (88)0.2
Height, cm173.3±10.1174.6±7.80.7
Weight, kg90.5±15.790.9±14.00.9
Body mass index, kg/m230.1±4.729.9±4.20.9
HF severity and laboratories
 6-min walk distance, m423±99396±870.4
 BNP, pg/mL441 (378–596)422 (102–1198)1.0
 Hemoglobin, g/dL13.4±1.613.5±0.90.8
Echocardiography
 LV diastolic dimension, mm59±759±50.9
 Ejection fraction, %37±937±80.9
Vital signs
 Heart rate, beats per minute65.5±4.359.9±8.90.01
 Brachial systolic BP, mm Hg118.2±14.4122.1±17.40.5
 Brachial diastolic BP, mm Hg71.4±8.668.6±8.50.3
 Brachial pulse pressure, mm Hg46.8±11.053.5±14.30.15
  • BNP indicates B-type natriuretic peptide; BP, blood pressure; HF, heart failure; and LV, left ventricle.