Table 1 Characteristics of study participants, by sex

Age, years

56.7 ± 15.4

56.9 ± 18.1

0.854

 Coronary artery disease

80 (12.3)

32 (11.4)

0.706

 Congestive heart failure

17 (2.6)

12 (4.3)

0.179

 Stroke

32 (4.9)

14 (5.0)

0.960

 Hypertension

220 (33.8)

101 (36.1)

0.513

 Diabetes mellitus

137 (21.1)

72 (25.7)

0.120

 Chronic lung disease

37 (5.7)

19 (6.8)

0.520

 Chronic renal disease

31 (4.8)

27 (9.6)

0.005

 Liver cirrhosis

12 (1.8)

0 (0.0)

0.022

 Malignancy

22 (3.4)

5 (1.8)

0.183

Witnessed

448 (68.9)

174 (62.1)

0.044

Bystander CPR

204 (31.4)

77 (27.5)

0.237

Shockable rhythm

215 (33.1)

56 (20.0)

< 0.001

Cardiac cause

418 (64.3)

146 (52.1)

< 0.001

Anoxic time, minutes

34.4 ± 18.5

33.0 ± 16.7

0.296

Early coronary angiography

101 (15.5)

22 (7.9)

0.002

Survival discharge

415 (63.8)

141 (50.4)

< 0.001

Good neurological outcome

194 (29.8)

55 (19.6)

< 0.001