Table 1 Baseline characteristics

Age (years)

57 ± 5.1

58.8 ± 4.72

0.89

Male sex

18

20

0.4

Hypertension

23

25

0.73

Diabetes mellitus

20

18

0.23

Hypercholesterolemia

19

15

0.54

Smoking

20

21

0.81

Previous myocardial infarction

8

11

0.12

Angina class (CCS)

0.7

 I/II/III

2/18/10

1/16/13

LVEF (%)

60.70 ± 8.33

59.46 ± 7.78

0.17

Collateral grade

0.2

 3/2/1/0

24/4/2/0

20/5/3/2

Multivessel disease

8

5

0.5

SYNTAX score

19.2 ± 3.7

22.5 ± 3.5

0.07

J-CTO score

1.9 ± 0.2

2.5 ± 0.9

0.03*