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Table 5 Baseline characteristics according to preoperative leukocyte count

From: Hemoglobin and B-type natriuretic peptide preoperative values but not inflammatory markers, are associated with postoperative morbidity in cardiac surgery: a prospective cohort analytic study

Leukocyte couNT Quintile 1 (3100 – 5600) (n = 111) Quintile 2 (5620 – 6500) (n =114) Quintile 3 (6510 – 7320) (n =108) Quintile 4 (7370 – 8580) (n = 111) Quintile 5 (8590 – 16200) (n = 110) Trend test
Mean age (SD) 61.7 (11.2) 60.6 (11.5) 59.5 (11.4) 59.8 (11.0) 58.4 (10.7) P = 0.01
Males (%) 67.5 71.9 79.6 77.4 72.7 P = 0.23
Residents in a city with an altitude of 2000- 3000 m (%) 90 85.9 85.2 74.7 74.5 P < 0.001
Mean ejection fraction (%) 53.3 (10.3) 52.9 (11.8) 52.4 (11.4) 50.2 (12.6) 51.6 (12.1) P = 0.2
Diabetes mellitus (%) 19.8 15.8 17.8 18.9 28.2 P = 0.10
Acute coronary syndrome ≤ 30 days (%) 42.3 26.3 32.4 34.2 35.4 P = 0.69
Obesity (%) 15.3 14.0 23.1 18.9 18.1 P = 0.35
Previous cardiac surgery (%) 5.4 7.0 7.4 5.4 7.2 P = 0.78
Proportion of patients undergoing CABG (%) 69.3 62.2 67.6 72.9 77.2 P = 0.07