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Table 1 Distribution of Danish Index criteria in numbers (n) and percentages (%), proportion of women in n and % and mean age with standard deviation (SD)

From: Which symptoms pose the highest risk in patients calling for an ambulance? A population-based cohort study from Denmark

Danish index criteria

Number n(%)

Women%

Age mean (SD)

Chest pain

13,586(15.9)

43.4

62.0(18.2)

Unclear problem

10,171(11.9)

46.3

60.8(22.2)

Accidents

9549(11.2)

45.3

52.4(26.6)

Possible stroke

9345(10.9)

47.8

66.4(18.5)

Breathing difficulties

7111(8.3)

50.1

64.8(21.7)

Pain in the extremities – wounds – fractures – small injuries

5716(6.7)

51.9

57.7(25.5)

Abdominal pain - back pain

4930(5.8)

49.5

50.5(21.3)

Traffic accident

4181(4.9)

42.6

39.5(20.8)

Seizures

3677(4.3)

44.2

31.7(25.5)

Alcohol - poisoning – overdose

3236(3.8)

43.2

35.4(17.4)

Unconscious adult/ possible cardiac arrest

2813(3.3)

43.0

66.1(20.2)

Bleeding - not traumatic

1674(1.9)

40.9

63.8(20.9)

Diabetes

1506(1.8)

49.9

53.3(19.1)

Psychiatry – suicidal

1223(1.4)

50.5

39.5(17.1)

Allergic reaction

853(1.0)

54.9

45.6(22.4)

Sick child

820(1.0)

44.9

3.1(9.1)

Headache

787(0.9)

54.0

48.1(21.7)

Violence – abuse

544(0.6)

23.4

34.4(13.5)

Ear - nose – throat

496(0.6)

45.8

60.7(23.6)

Burns - electric injury

490(0.6)

38.6

37 (23)

Fever

485(0.6)

38.9

52.2(27.6)

Gynaecology – pregnancy

461(0.5)

99.8

30.2(9.4)

Urinary system

379(0.4)

16.6

65.8(21.5)

Foreign body in airways

229(0.3)

50.2

39.9(34.6)

Birth

126(0.2)

100.0

29.0(5.6)

Eye

112(0.1)

32.1

41.7(23.5)

Unconscious child (before puberty)

94(0.1)

52.1

6.6(15.3)

Animal bite - insect bite

86(0.1)

38.4

42.3(23.0)

Hypothermia – Hyperthermia

59(0.1)

42.4

61.8(26.7)

Drowning

51(0.1)

41.2

44.2(22.2)

Poisoning in children

37(0.0)

37.8

6.9(13.9)

Chemicals – gasses

36(0.0)

22.2

30.2(22.7)

Catastrophe - big accidents

16(0.0)

64.3

57.6(19.9)

Skin and rash

12(0.0)

41.7

58.8(17.3)

Diving accident

7(0.0)

28.6

38.3(23.1)

All

84,898(100.0)

46.3

55.3(24,5)