Table 1: Demographic data.

Patient Age, Years Gender Comorbidities Serum Creatinine
µmol/l		 ASA
1 88 M Smoker, Hypercholesterolaemia 141 III
2 80 F Ischaemic heart disease, Hypertension, COPD, Hypercholesterolaemia 126 III
3 75 M Ischaemic heart disease, Congestive heart failure, Hypertension, Smoker, Hypercholesterolaemia 75 III
4 74 M Hypertension, Hypercholesterolaemia 108 III
5 71 F Hypertension, COPD, Hypercholesterolaemia 64 III
6 73 F Hypertension 69 III
7 73 M Hypertension, Hypercholesterolaemia 71 III
8 70 M Ischaemic heart disease, Hypertension, COPD, Diabetes mellitus, Smoker, Hypercholesterolaemia 137 III
9 75 F Ischaemic heart disease, Congestive heart disease, Hypertension, Smoker, Hypercholesterolaemia 70 III

M-male, F-female, COPD = chronic obstructive pulmonary disease, ASA = American society of anesthesiology physical status