Skip to main content

Table 2 Core patient variables

From: A consensus-based template for uniform reporting of data from pre-hospital advanced airway management

Data variable number

Data variable name

Type of data

Data variable categories or values

Definition of data variable

6

Co-morbidity

Ordinal

1 = No (ASA-PS = 1)

2 = Yes (ASA-PS = 2-6)

3 = Unknown

ASA-PS definition

1 = A normal healthy patient

2 = A patient with mild systemic disease

3 = A patient with severe systemic disease

4 = A patient with severe systemic disease that is a constant threat to life

5 = A moribund patient who is not expected to survive without the operation

6 = A declared brain-dead patient whose organs are being removed for donor purposes

7

Age

Continuous

YY or MM

Years rounded down. Ages under 1 year are reported in decimals (e.g., 6 month = 0.5 year)

8

Gender

Nominal

1 = Female

2 = Male

3 = Unknown

Patient gender

9

Patient category

Nominal

1 = Blunt trauma (incl. burns and strangulation)

2 = Penetrating trauma

3 = Non trauma (incl. drowning and asphyxia)

4 = Unknown

Dominating reason for emergency treatment

10

Indication for airway intervention

Nominal

1 = Decreased level of consciousness

2 = Hypoxemia

3 = Ineffective ventilation

4 = Existing airway obstruction

5 = Impending airway obstruction

6 = Combative or uncooperative

7 = Relief of pain or distress

8 = Cardiopulmonary arrest

9 = Other, specify

Dominating indication for airway intervention

11

Respiratory rate, initial

Continuous

Number/

Not recorded

First value recorded by the EMS provider on scene

12a

Systolic blood pressure, initial

Continuous

Number/

Not recorded

First value recorded by the EMS provider on scene

13a

Heart rate, initial

Continuous

Number/

Not recorded

First value recorded by the EMS provider on scene

14

GCS, initial (m/v/e)

Ordinal

Motor 1-6

Verbal 1-5

Eyes 1-4

Not recorded

First value recorded by the EMS provider on scene

See also GCS definitions

15a

SpO2, initial; state: with or without supplemental O2

Continuous and nominal

Number/Not recorded

1 = Without supplemental O2

2 = With supplemental O2

3 = Unknown if supplemental O2

First value recorded by the EMS provider on scene

  1. ASA-PS: American Society of Anesthesiologists physical status
  2. EMS: Emergency Medical Service
  3. GCS: Glasgow Coma Score