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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.