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Table 2 Mean exposure time per emergency response in first column inclusive 95% CI. Second column shows the total number of emergency responses during the data-collection (41 days for MECU and ambulances and 16 days for HEMS) with percentages out of total emergency responses recorded. Last column (to the right) shows the daily (8-h and 12-h with MECU and HEMS, respectively) average exposure in minutes

From: Noise exposure during prehospital emergency physicians work on Mobile Emergency Care Units and Helicopter Emergency Medical Services

Type of exposure

Exposure time per emergency response (mean in minutes) [95% CI]

Total number of emergency response [% of total]

Daily average of exposure (minutes)

MECU urban road

4.6 [3.7;5.6]

87 [39%]

9.7

MECU rural road

8.2 [7.2;9.2]

59 [26%]

11.5

MECU motorway

11 [9.6;12.6]

38 [17%]

10.1

Ambulance urban road

5.8 [4;7.6]

13 [6%]

1.9

Ambulance rural road

10.5 [8.3;12.8]

15 [7%]

3.9

Ambulance motorway

18.8 [10.1;27.5]

10 [5%]

5.1

HEMS physicians

20.3 [18;22.6]

33 [100%]

41.9

HEMS pilots

20.5 [18.3;22.8]

35 [100%]

44,8