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Table 3 Outcome parameters according to preoperative MPV level and hematocrit levels

From: Mean platelet volume may predict early clinical outcome after coronary artery bypass grafting

Outcome Preoperative MPV level Preoperative hematocrit level
  < 8.75 fL (n=135) ≥ 8.75 fL (n=70) p value > 41.5% (n=137) ≤ 41.5% (n=68) p value
Combined adverse events (n=37) 17 (12.6%) 20 (28.6%) 0.005* 16 (11.7%) 21 (30.9%) 0.001*
Postoperative MI (n=21) 9 (6.7%) 12 (17.1%) 0.019* 10 (7.3%) 11 (16.2%) 0.048*
Mortality (n=8) 6 (4.4%) 2 (2.9%) 0.718 4 (2.9%) 4 (5.9%) 0.444
MACE (n=26) 13 (9.6%) 13 (18.6%) 0.068* 12 (8.8%) 14 (20.6%) 0.017*
Prolonged ventilation (n=13) 9 (6.7%) 4 (5.7%) 1.000 5 (3.6%) 8 (11.8%) 0.034
Re-hospitalization (n=17) 8 (5.9%) 9 (12.9%) 0.088* 7 (5.1%) 10 (14.7%) 0.019*
Prolonged ICU stay (days) (n=31) 16 (11.9%) 15 (21.4%) 0.070* 14 (10.2%) 17 (25.0%) 0.005*
Prolonged hospital stay (days) (n=44) 27 (20.0%) 17 (24.3%) 0.478* 21 (15.3%) 23 (33.8%) 0.002*
  1. MPV: Mean platelet volume, MI: Myocardial infarction, MACE: Major adverse cardiac events, ICU: Intensive care unit.
  2. * Chi-square test, Fisher’s exact test.