Table 1.

Characteristics at baseline.

	ERH	ELH	SSFR	p-value
	(n = 22)	(n = 24)	(n = 57)
Age, year, mean (SD)	65 (7.5)	63.8 (10.9)	67 (10.5)	0.380
Male gender, n (%)	13 (59.1)	13 (54.2)	34 (59.7)	0.897
ASA Score, n (%)				0.462
1	1 (4.6)	0 (0.0)	0 (0.0)
2	7 (31.8)	9 (37.5)	23 (40.4)
3	14 (63.6)	15 (62.5)	32 (56.1)
4	0 (0.0)	0 (0.0)	2 (3.5)
5	0 (0.0)	0 (0.0)	0 (0.0)
Substenotic lesion, n (%)	6 (27.3)	3 (12.5)	23 (40.4)	0.043