Variables

ROSC

Discharge survived

Yes (218)

No (326)

p

Yes (28)

No (516)

p

Demographic characteristics

Male sex

121 (55.5)

199 (61.0)

0.198

15 (53.6)

305 (59.1)

0.562

Age

0.888

0.548

18 - 40

11 (5.0)

20 (6.1)

3 (10.7)

28 (5.4)

41 - 65

78 (35.8)

108 (33.1)

7 (25.0)

179 (34.7)

66 - 79

79 (36.2)

119 (36.5)

11 (39.3)

187 (36.2)

≥80

50 (22.9)

79 (24.2)

7 (25.0)

122 (23.6)

BMI

0.745

0.083

≤18.5

30 (15.2)

41 (13.7)

4 (16.7)

67 (14.2)

18.6 - 24.9

103 (52.3)

171 (57.0)

9 (37.5)

265 (56.0)

25 - 29.9

53 (26.9)

75 (25.0)

11 (45.8)

117 (24.7)

≥30

11 (5.6)

13 (4.3)

0 (0)

24 (5.1)

Residence before admission

0.657

0.584

Home

175 (80.3)

253 (77.6)

23 (82.1)

405 (78.5)

Another hospital

37 (17.0)

60 (18.4)

5 (17.9)

92 (17.8)

Nursing home

6 (2.8)

13 (4.0)

0 (0)

19 (3.7)

Admission CPC

0.592

0.917

1

98 (45.0)

132 (40.5)

12 (42.9)

218 (42.2)

2

94 (43.1)

143 (43.9)

13 (46.5)

224 (43.4)

3

24 (11.0)

47 (14.4)

3 (10.7)

68 (13.2)

4

2 (0.9)

4 (1.2)

0 (0)

6 (1.2)

Admission site

0.639

0.677

ED

196 (89.9)

297 (91.1)

26 (92.9)

467 (90.5)

OPD

22 (10.1)

29 (8.9)

2 (7.1)

49 (9.5)

Charlson comorbidity index

0.014

0.575

0

7 (3.2)

12 (3.7)

1 (3.6)

18 (3.5)

1 - 3

69 (31.7)

102 (31.3)

12 (42.9)

159 (30.8)

4 - 6

106 (48.6)

136 (41.7)

10 (35.7)

232 (45.0)

7 - 9

35 (16.1)

56 (17.2)

5 (17.9)

86 (16.7)

>9

1 (0.5)

20 (6.1)

0 (0)

21 (4.1)

Total number of comorbidities

0.965

0.687

0

3 (1.4)

4 (1.2)

0 (0)

7 (1.4)

1 - 3

126 (57.8)

195 (59.8)

15 (53.6)

306 (59.3)

4 - 6

86 (39.4)

122 (37.4)

13 (46.4)

195 (37.8)

>6

3 (1.4)

5 (1.5)

0 (0)

8 (1.6)

Characteristics of cardiac arrest

First documented rhythm

0.017

0.02

Asystol

60 (27.5)

127 (39.0)

6 (21.4)

181 (35.1)

VF/VT

11 (5.0)

10 (3.1)

4 (14.3)

17 (3.3)

PEA

147 (67.4)

189 (58.0)

18 (64.3)

318 (61.6)

Witness arrest

158 (72.5)

196 (60.1)

0.006

17 (60.7)

337 (65.3)

0.796