Skip to main content

Table 1 Patient characteristics in HEMS missions pre and post HEMS coordinator introduction

From: The introduction of a regional Norwegian HEMS coordinator: an assessment of the effects on response times, geographical service areas and severity scores

 

Preintervention

Postintervention

Diff. in mean/

Missing

P-value

 

n

%

  

n

%

  

median/%

n

 

Total n = 3059

2139

69.9

Mean (± SD)

Median (IQR)

920

30.1

Mean (±SD)

Median (IQR)

   

Age (years)

           

All patients

2133

99.7

 

55.0 (42)

918

99.8

 

59.0 (37)

4.0

8

0.0113

Gender

         

1

0.355

  Male

1358

63.5

  

607

66.0

     

  Female

780

36.5

  

313

34.0

     

NACA-score1

         

1

 

All patients

2139

100

3.98 (± 0.027)

4.0 (2)

919

99.9

4.13 (± 0.04)

4.0 (2)

0.15/-

 

0.0034

NACA 4–7

1316

61.5

  

627

68.2

  

6.7%

1

< 0.0015

ICD-10 Codes2

2138

99.9

  

919

99.9

   

2

 

  G00-G99

85

4.0

  

29

3.2

     

  I00-I99

758

35.4

  

365

39.7

     

  J00-J99

121

5.7

  

57

6.2

     

  M00-M99

33

1.5

  

5

0.5

     

  O00-O9A

49

2.3

  

15

1.6

     

  R00-R99

319

14.9

  

115

12.5

     

  S00-T88

631

29.5

  

279

30.3

     

  Other diagnoses

142

6.6

  

54

5.9

     
  1. 1National Advisory Committee for Aeronautics. NACA 0 No injury or illness; NACA 1 Injuries/diseases without any need for acute physician care; NACA 2 Injuries/diseases requiring examination and therapy by a physician, but hospital admission is not indicated; NACA 3 Injuries/disease without acute threat to life but requiring hospital admission; NACA 4 Injuries/diseases that can possibly lead to deterioration of vital signs; NACA 5 Injuries/diseases with acute threat to life; NACA 6 Injuries/diseases transported after successful resuscitation of vital signs; NACA 7 Lethal injuries or diseases (with or without resuscitation attempts)
  2. 2G00-G99:Diseases of the nervous system; I00-I99: Diseases of the circulatory system; J00-J99: Diseases of the respiratory system;M00-M99:Diseases of the musculoskeletal system and connective tissue; O00-O9A: Pregnancy, childbirth and the puerperium; R00-R99: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified; S00-T88: Injury, poisoning and certain other consequences of external causes
  3. 3 Mann–Whitney U-test
  4. 4 Student’s t-test
  5. 5 Chi-square Test