Feature

Patients who quit smoking N (%)

Persistent smokers N (%)

p

Number of patients

260

591

-

Men

242 (93.1)

560 (94.8)

0.41

Mean age (year) ± SD

53.6 ± 5.6

53.9 ± 6.1

0.64

Diabetes mellitus

131 (50.4)

248 (42.0)

0.03

Hypertension

132 (50.8)

308 (52.1)

0.78

Dyslipidemia

108 (41.5)

262 (44.3)

0.49

Family history of premature CAD

109 (41.9)

278 (47.0)

0.19

Mean body mass index (kg/m²) ± SD

27.3 ± 6.4

27.8 ± 6.7

0.31

Past history of CAD

60 (23.3)

201 (34.0)

0.001

Previous PCI

45 (17.3)

142 (24.0)

0.04

LVEF < 40%

47 (18.1)

55 (9.3)

0.0004

Heart failure

40 (15.4)

53 (9.0)

0.0008

Elevated cardiac biomarkers

132 (50.8)

297 (50.3)

0.95

ST-segment deviation

152 (58.5)

238 (57.2)

0.78

ACS:

-STEMI

-NSTEACS

113 (43.5)

102 (39.2)

223 (37.7)

253 (42.8)

0.13

0.37

Primary PCI for STEMI

59 (22.7)

130 (22.0)

0.89

Multivessel CAD

105 (40.0)

215 (36.4)

0.36

Multivessel PCI

61 (23.5)

144 (24.4)

0.84

Mean length of stay (days) ± SD

2.3 ± 1.0

2.2 ± 1.0

0.18