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Table 1 Characteristics of EMS services

From: Use of prehospital ultrasound in North America: a survey of emergency medical services medical directors

Characteristic

Percent (95% CI)

Country nā€‰=ā€‰225

Ā 

ā€ƒUnited States

95.1% (92.7, 97.5)

ā€ƒCanada

4.9% (2.5, 7.3)

Funding nā€‰=ā€‰209

Ā 

ā€ƒPublic

50.7% (44.9, 56.5)

ā€ƒPrivate

24.4% (19.4, 29.4)

ā€ƒMixture of public and private

24.9% (19.9, 29.9)

Urban vs rural population nā€‰=ā€‰222

Ā 

ā€ƒUrban

30.2% (25.1, 35.3)

ā€ƒRural

15.3% (11.3, 19.3)

ā€ƒMixture of urban and rural

54.5% (49, 60)

Population nā€‰=ā€‰222

Ā 

ā€ƒ0 ā€“ 9 999

3.2% (1.2, 5.2)

ā€ƒ10 000 ā€“ 99 999

23.9% (19.2, 28.6)

ā€ƒ100 000 ā€“ 999 999

47.3% (41.8, 52.8)

ā€ƒ>1 000 000

25.7% (20.9, 30.5)

Type of transport nā€‰=ā€‰222

Ā 

ā€ƒGround transport

95% (92.6, 97.4)

ā€ƒHelicopter air transport

36.5% (31.2, 41.8)

ā€ƒFixed, wing air transport

8.6% (5.5, 8.6)

Transport time to nearest hospital nā€‰=ā€‰221

Ā 

ā€ƒ0-10Ā min

29.4% (24.3, 34.5)

ā€ƒ10-20Ā min

52% (46.5, 57.5)

ā€ƒ20-30Ā min

11.3% (7.8, 14.8)

ā€ƒ30-60Ā min

7.2% (4.3, 10.1)

ā€ƒ>60Ā min

0.0%

Transport time to nearest tertiary care hospital nā€‰=ā€‰221

Ā 

ā€ƒ0-10Ā min

13.6% (9.8, 17.4)

ā€ƒ10-20Ā min

38.5% (33.1, 43.9)

ā€ƒ20-30Ā min

19.9% (15.5, 24.3)

ā€ƒ30-60Ā min

16.7% (12.6, 16.7)

ā€ƒ>60Ā min

11.3% (7.8, 14.8)

Level of training nā€‰=ā€‰221

Ā 

ā€ƒNREMT Basic or equivalent

3.6% (1.5, 5.7)

ā€ƒNREMT Intermediate or equivalent

1.4% (0.1, 2.9)

ā€ƒNREMT Paramedic or equivalent

67.9% (62.7, 73.1)

ā€ƒNREMT Paramedic with additional training in critical care or registered nurses with critical care training

24.9% (20.1, 29.7)

ā€ƒPhysician

2.3% (0.6-4.0)