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Table 1 Patient characteristics

From: Non-invasive ventilation for preoxygenation during prehospital anaesthesia – a prospective observational study

Characteristic

n = 42

Missing data, n

Patient age

59 (45—74)

1

Sex

 

0

Female

19 (45%)

 

Male

23 (55%)

 

Body Mass Index

25.1 (23.1—28.2)

6

Patient category

 

0

Infection

1 (2.4%)

 

Intoxication

8 (19%)

 

Unconscious

1 (2.4%)

 

Cardiac arrest

4 (9.5%)

 

Seizure

8 (19%)

 

Stroke

11 (26%)

 

Traumatic brain injury

9 (21%)

 

Vital signs at EMS arrival

Heart rate

89 (69—117)

9

Systolic blood pressure

140 (122—160)

11

Oxygen saturation

91 (82—97)

8

Glasgow Coma Scale

3.00 (3.00—6.00)

9

Respiratory rate

18 (12—26)

24

  1. Numbers are presented as n (%) and median (IQR). EMS, emergency medical services