Research Article

Oxidative Stress Markers and C-Reactive Protein Are Related to Severity of Heart Failure in Patients with Dilated Cardiomyopathy

Table 2

Clinical and selected laboratory results in all patients and with division into groups depending on NYHA class.

All DCM
(D) 
NYHA I-II
(A) 
NYHA III-IV
(B) 
A versus B

NYHA functional class
I/II/III/IV (%)
3/63/34/9
(2.7/57.8/31.2/8.3)
3/63
(4.5/95.5)
34/9
(79/21)
Sex M/F (%)91/16 (83.5/16.5)53/1340/3NS
Age Y (±SD)NS
BMI (±SD)NS
Duration of illnessNS
Hypertension (%)29 (26.6)1811NS
Diabetes mellitus (%)12 (11.0)66NS
NT-proBNP [pg/mL]820.5
346.5–1837
582.5 
209.5–1883
2045
1045–3000
Hemoglobin [g/L]NS
Creatinine clearance [mL/min]NS

NYHA: New York Heart Association functional class; BMI: body mass index; NT-proBNP: N-terminal pro-B-type natriuretic peptide.