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Table 1 Average LAeq levels and peak SPL in dB(C) levels under different types of exposure. Number of measurements in the last column

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

Type of exposure (Average) Left and right ear combined (dB(A)) (Average) Left and right ear combined (dB(C)) (Peaks) Number of measurements (total: left + right)
Max. Min. Mean SD Max. Min. Mean SD
Controls 83 63 69 4 122 107 113 4 66
MECU urban road 97 65 72 5 124 90 103 5 174
MECU rural road 90 67 75 4 123 99 107 4 118
MECU motorway 97 71 77 4 125 101 110 5 76
Ambulance urban road 88 73 79 4 123 100 108 6 26
Ambulance rural road 94 74 80 4 123 105 112 5 30
Ambulance motorway 85 76 80 3 122 108 114 5 20
HEMS physicians 97 73 82 5 128 109 118 4 200
HEMS pilots 97 72 83 7 128 108 118 5 214