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Table 2 Comparison of characteristics based on median survival time (35 min)

From: Characteristics of traumatic out-of-hospital cardiac arrest patients presenting to major centers in Karachi, Pakistan—a longitudinal cohort study

Variables

Less than or equal to median survival time

n = 94

More than median survival time

n = 93

p values

Age in years, mean (SD)

34.5 (10.3)

35.6 (11.9)

0.47

Gender

1.0

 Men

89 (94.7)

89 (95.7)

 

 Women

5 (5.3)

4 (4.3)

Type of arrest

0.02

 Penetrating

57 (62.0)

71 (77.2)

 

 Blunt

35 (38.0)

21 (22.8)

Cause of arrest

0.03

 Gunshot

56 (60.2)

71 (76.3)

 

 RTA

30 (32.3)

15 (16.1)

 Fall and others

8 (8.5)

7 (7.5)

Site of arrest

0.56

 Residence

6 (6.4)

8 (8.6)

 

 Public

88 (93.6)

85 (91.4)

Life-support interventions

0.01

 Yes

1 (1.1)

9 (9.7)

 

 No

93 (98.9)

84 (90.3)

Life-support medications

0.01

 Yes

1 (1.1)

8 (8.6)

 

 No

93 (98.9)

85 (91.4)

CPR

0.03

 Yes

1(1.1)

7(7.5)

 

 No

93(98.9)

86(92.5)

Outcomes on arrival at ED

0.11

 Alive

1 (1.1)

5 (5.4)

 

 Dead

93 (98.9)

88 (94.6)

Type of transportation

0.62

 Ambulance without life support

75 (79.8)

75 (80.6)

 

 Ambulance with life support

2 (2.1)

4 (4.3)

 Non-EMS

17 (18.1)

14 (15.1)

  1. SD standard deviation, RTA road traffic accident, EMS emergency medical services, CPR cardiopulmonary resuscitation, ED emergency department