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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