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Table 1 Demographics of the study population

From: Computer tomographic assessment of gastric volume in major trauma patients: impact of pre-hospital airway management on gastric air

  PHI
number§ or median (range)*
ERI
number§ or median (range)*
p value
Number of patients§ 245 70
Age* 46 (13–91) 50.5 (14–84) NS
Gender
 Male§ 191 (78%) 53 (76%) NS
 Female§ 54 (22%) 17 (24%) NS
Body mass index* 24.4 (16.4–39.2) 25.2 (20.5–42.4) < 0.05
Injury Severity Score* 33 (9–75) 25 (9–75) < 0.05
Abdominal trauma§ 67 (27%) 31 (44%)