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Table 2 Patient characteristics of patients with a unexplained LOC attended by HEMS stratified by type of dispatch

From: Dispatch of a helicopter emergency medicine service to patients with a sudden, unexplained loss of consciousness of medical origin

  Whole group (n = 127) Direct dispatch (n = 29) Request dispatch (n = 98) p
Age (years) 54 (17) 56 (18) 53 (16) .49
Male (%) 60.8 69.0 58.4 .39
Witnessed 69 [52.7%] 19 [65.5%] 50 [51.0%] .14
First HR (bpm) 86 (24) 82 (22) 87 (26) .48
First SBP (mmHg) 149 (36) 149 (33) 148 (36) .95
  < 90 3 [2.3%] 1 [3.4%] 2 [2.0%] .93
 90–160 85 [66.1%] 20 [68.9%] 65 [66.3%]
  > 160 37 [29.9%] 7 [24.1%] 30 [30.6%]
 missing 2 [1.6%] 1 [3.4%] 1 [1.0%]
First GCS 7 [4–14] 10 [4–14] 7 [4–13] .15
 14–15 34 [26%] 13 [44.8%] 21 [21.4%] .095
 8–13 26 [19.8%] 3 [10.3%] 23 [23.5%]
 3–8 65 [51.1%] 13 [44.5%] 52 [53.1%]
 missing 2 [1.5%]   2 [1.5%]  
Pupils
 Reactive (n) 92 23 69 .46
 Unreactive (n) 35 6 29
ECG
 Dysrhythmia (n) 11 0 11 .067
 Other abnormalities (n)a 7 1 6 .69
Intoxication w alcohol and/or drugs (n) 14 1 13 .19
Hypoglycaemia (n) 3 0 3 .07
  1. Table 2. Displayed are mean (SD) for continuous and median [IQR] for ordinal; variables. HR Heart rate, SBP Systolic blood pressure, GCS Glasgow Coma Scale. aOther ECG abnormalities: anterior T wave inversion 1; STEMI 1; ST depression 1; LBBB 1, LV strain 1; VES 2.