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Observational Study
Copyright: ©Author(s) 2026.
World J Crit Care Med. Jun 9, 2026; 15(2): 114240
Published online Jun 9, 2026. doi: 10.5492/wjccm.v15.i2.114240
Table 3 Maximum sound level recordings above 75 dB and 85 dB during nurses’ handover, visiting, night time and twilight, n (%)

Number of recordings
Events exceeding 75 dB
Events exceeding 85 dB
Nurses’ handover (morning, afternoon, night)679679 (100)218 (32)
Visiting (morning and evening)114113 (99)38 (33)
Night time (22:00-6:00 hours)11341006 (89)143 (13)
Twilight (4:00-6:00 hours)450445 (99)155 (34)


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