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Table 2 Characteristics of traumatic arrest patients captured by the hospital and EMS data

From: Estimation of the burden of out-of-hospital traumatic cardiac arrest in Karachi, Pakistan, using a cross-sectional capture-recapture analysis

VariablesEMSHospitalP values
N = 788N = 344
Mean age (SD), range:18–95 years33.7 (10.8)36.4 (12.9)< 0.001
 18–34401 (56.2)168 (48.8)0.009
 35–44190 (26.6)92 (26.7)
 45–64111 (15.5)69(20.1)
 65 and above12 (1.7)15 (4.4)
Missing  
Gender  0.62
 Men736 (93.5)319 (92.7) 
 Women51 (6.5)25 (7.3)
Missing  
Cause of Arrest  < 0.001
 Trauma-unknown12 (1.5)7 (2.0) 
 Road traffic injury152 (19.5)84 (24.4)
 Gunshot528 (67.6)210 (61.0)
 Fall8 (1.0)9 (2.6)
 Wall fell on patient6 (0.8)1 (0.3)
 Tortured26 (3.3)5 (1.5)
 Blast34 (4.4)27 (7.8)
 Suicide15 (1.9)1 (0.3)
Missing7 
  1. SD standard deviation, EMS emergency medical services