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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