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Table 1 Preoperative data

From: Warm blood cardioplegia versus cold crystalloid cardioplegia for coronary artery bypass grafting (CABG) in patients with low ejection fraction

 Group I (no. = 50)Group II (no. = 50)p valueSignificance
Age (years)
 Mean ± SD56.5 ± 8.757.14 ± 9.60.727NS
Sex
 Males24 (48%)25 (50.0%)0.841NS
 Females26 (52%)25 (50.0%)
Weight (kg)
 Mean ± SD72.5 ± 2.371.8 ± 1.80.093NS
Body surface area (m2)
 Mean ± SD1.92 ± 0.61.83 ± 0.870.548NS
Diabetes20 (40%)23 (46.0%)0.544NS
HTN19 (38%)20 (40%)0.837NS
Smoking22 (44%)21 (42%)0.839NS
Ejection fraction (%) (mean ± SD)30.9 ± 0.831.1 ± 0.90.243NS
Troponin I levels (ng/ml) (mean ± SD)0.09 ± 0.680.03 ± 0.290.718NS
CK-MB level (IU/l) (mean ± SD)1.45 ± 1.311.26 ± 0.990.776NS
  1. NS not significant (p value ≥ 0.05), SD standard deviation, kg kilogram, m2 square meter
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