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Table 2 Baseline demographic and clinical parameters according to RDW levels

From: Red blood cell distribution width predicts long term cardiovascular event after on-pump beating coronary artery bypass grafting

Characteristics Overall n = 500 RDW < 13.95 n = 238 (47.6) RDW > 13.95 n = 262 (52.4) p-value
Age (years) 63.05 ± 9.24 60.76 ± 9.3 65.13 ± 8.68 <0.001*
Male 386 (77.2) 191 (80.3 %) 195 (74.4) 0.12
Hg 13.19 ± 0.65 13.31 ± 0.62 13.07 ± 0.65 <0.001*
RDW 14.32 ± 1.72 13.14 ± 0.53 15.39 ± 1.74 <0.001*
MPV 10.08 ± 1.15 9.93 ± 1.29 10.21 ± 1 0.012*
hs-CRP 15.77 ± 29.3 13.34 ± 21.59 17.96 ± 34.74 0.17
CrCL 99.7 ± 32.98 105.07 ± 34.08 94.36 ± 31.03 0.001*
EuroScore II 3.46 ± 3.26 3.02 ± 3.07 3.87 ± 3.38 <0.001*
Obesity (BMI ≥ 30) 134 (26.8) 62 (26.1) 72 (27.5) 0.38
Current Smoker 221 (44.2) 117 (49.2) 104 (39.7) 0.033*
Hypertension 240 (48) 109 (45.8) 131 (50) 0.34
Hyperlipidemia 137 (27.4) 62 (26.1) 75 (28.6) 0.52
Family history of CAD 174 (34.8) 90 (37.8) 84 (32.1) 0.17
Diabetes Mellitus 156 (31.2) 70 (29.4) 86 (32.8) 0.41
COPD 34 (6.8) 13 (5.5) 21 (8) 0.25
History of Stroke 13 (2.6) 4 (1.7) 9 (3.4) 0.22
PVD 25 (5) 8 (3.3) 17 (6.5) 0.11
Asymtomatic Carotid Stenosis 86 (18.2) 32 (14.5) 54 (21.5) 0.048*
History of MI 125 (25) 59 (24.8) 66 (25.2) 0.92
Moderate LV dysfunction 27 (135) 64 (26.9) 71 (27.1) 0.95
Severe LV dysfunction 29 (5.8) 12 (5) 17 (6.5) 0.63
Mild mitral insufficiency 55 (11) 17 (7.1) 38 (14.5) 0.009*
USAP 139 (27.8) 68 (28.6) 71 (27.1) 0.71
Previous PCI 46 (9.2) 20 (8.4) 26 (9.9) 0.55
Number of vessel disease 2.58 ± 0.65 2.51 ± 0.7 2.65 ± 0.59 0.032*
LMCA stenosis 83 (16.6) 37 (15.5) 46 (17.6) 0.50
Three Vessel disease 336 (67.2) 150 (63) 186 (71) 0.06
  1. *Statistically significant difference. Values are presented as mean ± standard deviation or number (%), where appropriate. CAD coronary artery disease, CrCL creatinin clearance, COPD chronic obstructive pulmonary disease, Hb haemoglobin, hs-CRP C-reactive protein, EuroSCORE II European System for Cardiac Operative Risk Evaluation, DM diabetes mellitus, LMCA left main coronary artery, LV left ventricule, MI myocardial infarction, MPV mean platelet volume, n number, PCI percutaneous coronary intervention, PVD peripheral vascular disease, RDW red blood cell distribution width, TIA transient ischemic attack, USAP unstabil angina pectoris