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Table 2 Patient and resuscitation characteristics of OHCA call handling

From: Description of call handling in emergency medical dispatch centres in Scandinavia: recognition of out-of-hospital cardiac arrests and dispatcher-assisted CPR

Group 1: No CPR prior to call Copenhagen (N = 200) Stockholm (N = 200) Oslo (N = 200)
 Age (years) median [IQR] 72 [62;82] 72 [59; 82] 65 [47; 77]
 Unknown 4 (2)
 Male gender 121 (61) 122 (61) 129 (65)
 Unknown 9 (5) 1 (1)
 Location
  Home 157 (79) 152 (76) 142 (71)
  Public 19 (10) 32 (16) 42 (21)
  Other 24 (12) 16 (8) 16 (8)
 Caller is health care personnel 45 (23) 30 (15) 39 (20)
 Unknown 47 (24) 6 (3)
 Bystander witnessed 106 (53) 105 (53) 103 (52)
5 (3)
 Bystander CPR 130 (65) 109 (55) 183 (92)
4 (2)
 Bystander defibrillation (AED) 14 (7) 5 (3) 8 (4)
 Initial shockable rhythm 33 (17) 32 (16) 33 (17)
 CPR by EMT 179 (90) 189 (95) 138 (69)
 Defibrillation by EMT 47 (24) 64 (33) 45 (23)
Group 2: CPR initiated prior to call Copenhagen (N = 69) Stockholm (N = 9) Oslo (N = 38)
 Age (years) median [IQ1;IQ3] 75 [60; 86] 66 [62; 78] 66 [44; 79]
 Male gender 31 (45) 7 (78) 26 (68)
 Unknown 3 (4)
 Location
  Home 41 (59) 2 (22) 13 (34)
  Public 7 (10) 4 (44 13 (34)
  Other 21 (30) 3 (33) 12 (32)
 Caller is health care personnel 39 (57) 4 (44) 17 (45)
 Unknown 4 (44)
 Bystander witnessed 30 (43) 4 (44) 24 (63)
 Bystander defibrillation (AED) 16 (23) 1 (11) 4 (11)
 Initial shockable rhythm 11 (16) 2 (22) 10 (26)
 CPR by EMT 56 (81) 8 (89) 26 (68)
 Defibrillation by EMT 14 (20) 5 (63) 11 (29)
 Unknown 1 (11)
  1. Values given as numbers (percentages) Abbreviations: CPR cardiopulmonary resuscitation, IQR Inter quartile range, AED automated external defibrillator, EMT Emergency medical technician