Research Article

Serum Sulfhydryl Groups, Malondialdehyde, Uric Acid, and Bilirubin as Predictors of Adverse Outcome in Heart Failure Patients due to Ischemic or Nonischemic Cardiomyopathy

Table 1

Baseline characteristic of the examined group and comparison of subgroups separated on the basis of prognosis.

ICMnICMC vs. D, A vs. C, B vs. D, ANOVA (A-D)
A (), death or HTB (), without endpointA vs. B, C (), death or HTD (), without endpoint

General characteristics, median (25th-75th percentiles) and (%)
Male65 (83.33)308 (86.27)0.62138 (86.36)191 (87.77)0.8370.8550.4750.813
Age (years)56.50 (52.00-1.00)56.00 (52.00-61.00)0.95850.00 (43.00-57.50)49.00 (38.00-55.50)0.278<0.0010.129<0.001
BMI (kg/m2)26.05 (22.09-29.07)26.45 (24.14-29.30)0.14223.44 (20.89-26.43)26.07 (22.70-29.33)0.0070.0300.285<0.001
Duration of symptoms (months)40.58 (13.50-70.43)33.30 (14.13-64.73)0.40259.03 (23.38-86.45)29.57 (9.58-66.57)0.0040.0830.7300.018
NYHA class (III-IV)65 (83.33)181 (50.70)<0.00139 (88.64)115 (50.44)<0.0010.5980.982<0.001
T6M (m)320.0 (233.0-363.0)378.0 (312.0-407.5)0.004346.5 (291.0-409.0)401.0 (341.0-454.0)0.0900.1690.009<0.001
Max VO2 (mL/min/kg)12.30 (9.80-14.00)15.20 (12.40-18.70)<0.00111.90 (9.70-14.10)16.00 (13.30-20.10)<0.0010.8780.135<0.001
LVEDD (mm)70.00 (65.00-76.00)68.00 (63.00-75.00)0.05473.00 (63.00-78.0)70.00 (65.00-77.00)0.5250.6050.0000.059
LVEDV (mL)232.5 (195.0-314.0)204.0 (156.0-264.0)0.002263.8 (222.0-340.0)236.0 (179.0-307.0)0.0380.0410.011<0.001
LVEF (%)19.00 (16.00-23.00)25.00 (20.00-33.00)<0.00122.50 (17.00-26.00)23.50 (20.00-29.00)0.0630.0690.034<0.001
Basic biochemistry, median (25th-75th percentiles)
Hemoglobin (g/dL)14.02 (12.89-14.99)13.86 (13.05-14.83)0.79214.10 (12.81-15.39)14.18 (13.14-15.29)0.8920.3290.0100.192
Iron (μmol/L)14.85 (10.80-19.04)17.33 (12.38-21.90)0.00516.35 (10.40-22.75)17.95 (12.35-23.60)0.2870.3010.5000.013
Creatinine (μmol/L)95.00 (81.0-123.0)85.0 (72.00-104.0)0.00387.50 (78.00-114.5)81.00 (70.00-97.00)0.0160.7900.149<0.001
Serum protein (g/L)72.00 (67.00-76.00)71.00 (66.00-75.00)0.22472.50 (65.00-78.50)71.00 (67.00-75.00)0.3800.5770.1140.457
Albumin (g/L)40.00 (37.00-44.00)42.00 (39.00-44.00)0.04841.00 (38.00-44.00)42.00 (40.00-45.00)0.1100.1550.1230.034
Fasting glucose (mmol/L)5.70 (5.00-6.80)5.60 (5.00-6.20)0.2275.30 (4.95-5.95)5.50 (4.90-6.10)0.8790.2260.5970.127
Cholesterol (mmol/L)4.26 (3.66-5.11)4.24 (3.65-5.22)0.5764.21 (3.35-5.15)4.35 (3.62-5.20)0.3440.1100.2520.705
Triglycerides (mmol/L)1.16 (0.89-1.63)1.20 (0.84-1.75)0.6751.11 (0.76-1.41)1.25 (0.93-1.75)0.0220.6780.5230.134
HDL (mmol/L)1.08 (0.83-1.35)1.16 (0.97-1.42)0.0121.16 (0.79-1.42)1.13 (0.93-1.39)0.5120.7800.3620.064
LDL (mmol/L)2.52 (1.92-3.18)2.34 (1.86-3.09)0.5052.31 (1.75-3.23)2.49 (1.93-3.12)0.8540.0120.1290.878
NT-proBNP (pg/mL/100)28.50 (15.04-48.10)11.70 (5.49-23.99)<0.00147.24 (22.16-87.99)13.63 (6.20-28.11)<0.001<0.0010.285<0.001
Comorbidities, (%)
Diabetes35 (44.87)111 (31.09)0.2811 (25.00)43 (18.86)0.4660.0480.002<0.001
Arterial hypertension42 (53.85)221 (61.90)0.94620 (45.45)106 (46.49)0.9690.4830.0010.002
Atrial fibrillation17 (21.79)58 (16.25)0.31316 (36.36)73 (32.02)0.0720.1270.043<0.001
ICD presence3 (3.85)104 (29.13)0.0013 (6.82)91 (39.91)0.0010.7700.009<0.001
Smoker21 (26.92)112 (31.37)0.00115 (34.09)96 (42.11)0.4110.5310.0110.025
Treatment, (%)
Beta-blockers77 (98.72)352 (98.60)0.65041 (93.18)223 (97.81)0.2400.9420.6940.104
ACE inhibitors, (%)63 (80.77)317 (88.80)0.08131 (70.45)199 (87.28)0.0090.2820.6730.004
ARB5 (6.41)38 (10.64)0.1005 (11.36)25 (10.96)0.8530.5390.9880.687
Loop diuretics, (%)75 (96.15)285 (79.83)0.00143 (97.73)211 (92.54)0.3500.9520.001<0.001
Thiazide diuretics, (%)12 (15.38)37 (10.36)0.28315 (34.09)24 (10.53)0.0010.0310.939<0.001
MRA73 (93.59)319 (89.36)0.35539 (88.64)219 (96.11)0.0960.5390.0060.017
Statins55 (70.51)274 (76.75)0.01017 (38.64)120 (52.63)0.1250.0010.001<0.001
Fibrates2 (2.56)15 (4.20)0.7240 (0.00)9 (3.95)0.3790.7770.8450.518
Digitalis40 (51.28)140 (39.22)0.06727 (61.36)117 (51.32)0.2900.3760.0050.003
XO blockers27 (34.62)102 (28.57)0.35725 (56.82)116 (57.14)0.5770.029<0.001<0.001

BMI: body mass index; NYHA: New York Heart Association functional class; max VO2: maximum oxygen uptake; LVEDD: left ventricle end-diastolic diameter; LVEDV: left ventricle end-diastolic volume; LVEF: left ventricle ejection fraction; NT-proBNP: N-terminal pro-B-type natriuretic peptide; ICD: implantable cardioverter defibrillator; ACE inhibitor: angiotensin-converting enzyme inhibitor; ARB: angiotensin receptor blocker; MRA: mineralocorticoid receptor antagonists; NS: nonsignificant; XO: xanthine oxidase; A: ICM patients (EP+); B: ICM patients (EP-); C: nICM patients (EP+); D: nICM patients (EP-).