Single vs double antiplatelet therapy in acute coronary syndrome: Predictors of bleeding after coronary artery bypass grafting

Table 1 Patient demographic, pre-operative characteristics, operative data

	Group AASA	Group BASA + Clopidogrel	P
Age	67 ± 9.4	66.3 ± 10.1	0.71 (T-t)
Gender (M/F)	42/8	45/5	0.46 (P-χ2-t)
Weight (kg)	75.2 ± 13	76.4 ± 10.3	0.60 (T-t)
Hypertension	46/50 (92%)	50/50 (100%)	0.11 (F-t)
Dyslipidaemia	45/50 (90%)	45/50 (90%)	1 (F-t)
Diabetes	14/50 (28%)	18/50 (36%)	0.39 (P-χ2-t)
COPD	12/50 (24%)	8/50 (16%)	0.45 (F-t)
Renal failure	7/50 (14%)	4/50 (8%)	0.33 (P-χ2-t)
History of MI	28/50 (56%)	29/50 (58%)	0.5 (F-t)
History of CVA	4/50 (8%)	1/50 (2%)	0.36 (F-t)
Urgent surgery	22/50 (44%)	25/50 (50%)	0.34 (F-t)
EF%	56 ± 8.5	50 ± 9.5	0.04 (KW)/0.03 (LR)
LVEDV mL/m2	60.8 ± 10.4	62.6 ± 12.5	0.54 (KW)
No. of anastomoses	2.5 ± 0.8	2.5 ± 0.7	0.99 (P-χ2-t)
No. of grafts	2.5 ± 0.8	2.4 ± 0.7	0.99 (P-χ2-t)

T-t: T test; F-t: Fisher’s exact test; P-χ²-t: Pearson’s chi-square test; KW: Kruskal Wallis-test; ASA: Acetylsalycilic acid; COPD: Chronic obstructive pulmonary disease; CVA: Cardio-vascular accident; EF: Ejection fraction; LVEDV: Left ventricular end-diastolic volume.