Correlation between B-Type Natriuretic Peptide and Functional/Cognitive Parameters in Discharged Congestive Heart Failure Patients

Table 2

Differences in clinical, laboratory, and instrumental parameters according to BNP levels.

	BNP ≥300 pg/mL	BNP <300 pg/mL
Age (years)	72.4 ± 9.6	69.3 ± 10.7	<0.001
Creatinine level (mg/dL)	1.3 ± 0.7	1.0 ± 0.4	<0.001
Creatinine clearance (mL/min)	55.7 ± 23.7	70.2 ± 25.3	<0.001
Haemoglobin (g/dL)	11.4 ± 1.8	12.2 ± 2.0	0.001
LVEF (%)	40.7 ± 14.7	53.1 ± 11.2	<0.001
Barthel index at admission (score)	81.2 ± 26.0	91.1 ± 19.7	<0.001
Hydration level at BIVA at admission (%)	77 ± 5.3	73.9 ± 2.4	<0.001
6MWT at admission (meters)	297.6 ± 90.1	321.8 ± 94.2	0.015
MMSE (score)	26.7 ± 3.6	28.0 ± 2.5	<0.001
GDS (score)	8.2 ± 4.7	6.9 ± 3.3	0.046
Length of hospital stay (days)	13.3 ± 8.1	11.1 ± 7.2	<0.001

LVEF: left ventricular ejection fraction; BIVA: bioelectrical impedance vectorial analysis; 6MWT: 6-minute walking test; MMSE: Mini Mental State Examination; GDS: Geriatric Depression Scale.