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Table 3 Perioperative and early postoperative characteristics of the patients stratified by 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
Number of distal anastomoses 3.43 ± 0.93 3.31 ± 0.4 3.53 ± 0.87 0.011*
Complete Revascularization 486 (97.2) 230 (96.6) 256 (97.7) 0.47
Number of grafted LAD 1.67 ± 0.57 1.64 ± 0.56 1.7 ± 0.58 0.28
Number of grafted Cx 0.97 ± 0.65 0.93 ± 0.65 1.01 ± 0.66 0.10
Number of grafted RCA 0.77 ± 0.53 0.74 ± 0.54 0.79 ± 0.52 0.23
Endarterectomy (per anastomosis) 64 (3.72) 28 (3.54) 36 (3.88) 0.43
Duration of hospital stay (days) 5.82 ± 2.31 5.5 ± 1.98 6.12 ± 2.54 <0.001*
Prolonged respiratory period (>12 h) 3 (0.6) 1 (0.4) 2 (0.8) 0.62
Duration of intensive care unit (h) 20.62 ± 14 20.92 ± 17.9 20.34 ± 9.17 0.40
Drainage (ml/24 h) 513.9 ± 303.5 487.6 ± 313 537.7 ± 293,4 0.012*
Blood transfusion (unit) 1.29 ± 1.49 0.9 ± 1.4 1,64 ± 1.48 <0.001*
Perioperative need for inotropic support 29 (5.8) 7 (2.9) 22 (8.4) 0.009*
Perioperative need for IABP 3 (0.6) 3 (1.3) 1 (0.4) 0.27
Perioperative NSTEMI 57 (11.4) 27 (11.3) 30 (11.5) 0.75
Perioperative AF 62 (12.4) 30 (12.6) 32 (12.2) 0.89
Perioperative Renal failure 74 (14.8) 20 (8.4) 54 (20.6) <0.001*
Pulmonary complication 9 (1.8) 3 (1.3) 6 (2.3) 0.38
Neurological complication 39 (7.8) 6 (2.5) 33 (12.6) <0.001*
Encephalopathy 13 (2.6) 2 (0.8) 11 (4.2) 0.019*
TIA 24 (4.8) 4 (1.7) 20 (7.6) 0.002*
Stroke 2 (0.4) 0 2 (0.8) 0.17
Mediastinitis 3 (0.6) 2 (0.8) 1 (0.4) 0.50
Early Re-operation 13 (2.6) 3 (1.2) 10 (3.8) 0.07
Early Re-operation due to bleeding 9 (1.8) 2 (0.8) 7 (2.7) 0.12
Early Rehospitalisation (<30 days) 45 (9) 17 (7.1) 28 (10.7) 0.32
Mortality (<30 days) 2 (0.4) 1 (0.4) 1 (0.4) 0.94
MACCE (<30 days) 4 (0.8) 1 (0.4) 3 (1.2) 0.36
  1. *Statistically significant difference. Values are presented as mean ± standard deviation or number (%), where appropriate. AF Atrial fibrillation, Cx circumflex coronary artery, FFP fresh frozen plasma, IABP intra aortic balloon pump, LAD left anterior descending coronary artery, LIMA left internal mammary artery, MACCE major cardiac and cerebrovascular event, MI myocardial infarction, NSTEMI non-ST elevation MI, RCA right coronary artery, RDW red blood cell distribution width, RİMA right internal mammary artery, TIA transient ischemic attack