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Table 1 Characteristics of children for whom an emergency call had been made in all of Denmark

From: Mortality after paediatric emergency calls for patients with or without pre-existing comorbidity: a nationwide population based cohort study

 

Mission level

N = 93,081

Individual patient level

N = 76,956

n, %

    

Order of missions with a unique patient

    

First

72,098

77.5

NA

 

Second

11,750

12.6

  

Third or more

9,233

9.9

  

Age*

    

Median (IQR)

5

(1–12)

5

(1–12)

0–2 months

3,315

3.6

3,102

4.0

3–11 months

8,556

9.2

6,834

8.9

1–2 years

24,375

26.2

17,943

23.3

3–7 years

18,570

20.0

15,281

19.9

8–15 years

38,265

41.1

33,796

43.9

Sex

    

Female

42,445

45.6

35,522

46.2

Male

50,636

54.4

41,434

53.8

Comorbidity

    

None

53,772

57.8

47,563

61.8

Comorbidity (previous or chronic diseases, conditions, or perinatal complications)

35,913

38.6

27,778

36.1

Severe chronic comorbidity (with potentially considerably reduced lifespan)

3,396

3.7

1,615

2.1

Urgency level

    

A (lights and sirens)

55,209

59.3

NA

 

B

28,150

30.2

  

C-E

5,074

5.5

  

Missing data

4,648

5.0

  

Physician dispatched

    

HEMS physician

863

0.9

NA

 

MECU physician

20,342

21.9

  

None

71,876

77.2

  

Time from emergency call to arrival at hospital

    

< 15 min

205

0.2

NA

 

15–30 min

8,855

9.5

  

30–45 min

22,592

24.3

  

45–60 min

23,284

25.0

  

1–2 h

23,216

24.9

  

> 2 h

612

0.7

  

Missing data

14,317

15.4

  
  1. No missing data unless otherwise indicated. A unique patient could have had more than one emergency call during the study period, and the table columns display data at both mission level and individual patient level
  2. HEMS helicopter emergency medical services; IQR interquartile range; MECU mobile emergency care unit
  3. *In the ‘Individual patient level’ column, the age reported is the child’s age at the first emergency call
  4. †An event only counts once, even if more than one physician was dispatched (HEMS overrule MECU)