3.

Comparison of myocardial injury biomarkers levels between groups

Characteristics	Group G (n = 100)	Group GIK (n = 100)	P-value
Data are presented as mean ± SD or n (%). CK-MB: creatine kinase MB; cTnI: cardiac troponin I.
Pre-procedural CK-MB, U/L	18.0 ± 11.2	17.9 ± 14.5	0.336
Pre-procedural cTnI, ng/mL	0.01 ± 0.02	0.02 ± 0.02	0.483
Post-procedural CK-MB, U/L	48.8 ± 52.6	62.1 ± 47.8	0.007
Post-procedural cTnI, ng/mL	0.19 ± 0.24	0.68 ± 0.83	< 0.001
Post-procedural increase in CK-MB 1-3 times, %	9 (9.0%)	13 (13.0%)	0.008
Post-procedural increase in CK-MB > 3 times, %	4 (4.0%)	7 (7.0%)	0.002
Post-procedural increase in cTnI 1-3 times, %	14 (14.0%)	21 (21.0%)	< 0.001
Post-procedural increase in cTnI > 3 times, %	7 (7.0%)	13 (13.0%)	< 0.001