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Table 2 Clinical Characteristics of Secondary HEMS Missions

From: Mechanical chest compression devices in the helicopter emergency medical service in Switzerland

Variable Overall
N = 112
Women
n = 29 (26%)
Men
n = 83 (74%)
Age, mean ± SD 65 ± 15 64 ± 15 65 ± 14
Presumed Cardiac 54 (48%) 23 (79%) 31 (37%)
Respiratory 5 (5%) 5 (6%)
Other / Unknown 53 (47%) 6 (21%) 47 (57%)
Autopulse mode during transport
 Stand-by 102 (91%) 25 (86%) 76 (92%)
 Active (ongoing CPR) 9 (8%) 4 (14%) 6 (7%)
 Stand-by/active 1 (1%) 1 (1%)
Outcome
 Hospital discharge 49 (44%) 12 (41%) 37 (45%)
 Death 31 (28%)* 10 (35%) 21 (25%)
 Unknown 32 (29%) 7 (24%) 25 (30%)
  1. Percentages are calculated within the columns
  2. CPR Cardiopulmonary Resuscitation
  3. N=112, *Autopulse active/ongoing mCPR =100% death