Δ dB response at 2 kHz [95% CI] | Δ dB response at 3 kHz [95% CI] | Δ dB response at 4 kHz [95% CI] | Number of measurements (per 2, 3 4 kHz) | |
---|---|---|---|---|
MECU exposure [reference] | ||||
Ambulance exposure | −6 [−10;-3] | 0 [−6;0] | 0 [−5;4] | 106 (39, 39, 28) |
HEMS exposure | −6 [−13;0] | −3 [−13;2] | −7 [−17;1] | 77 (39, 19, 19) |
In-hospital exposure | 4 [−1;10] | 1 [−11;7] | 5 [−5;13] | 52 (31, 6, 15) |