Table 2 Sources of nocturnal noise in occurrences per hour in the ICU
From: The nocturnal acoustical intensity of the intensive care environment: an observational study
Source | Mean occurrences per hour mean (SD) | Proportion of total occurrences per hour (%) |
|---|---|---|
Staff | 84.38 (32.77) | 35.5 |
Alarms | 81.06 (43.95) | 34.1 |
Other | 35.81 (19.96) | 15.1 |
Doors | 12.88 (12.37) | 5.4 |
Pumps | 7.19 (12.55) | 3.0 |
Equipment | 6.06 (4.64) | 2.6 |
Trolleys | 5.94 (7.19) | 2.5 |
Wash basins | 4.13 (2.55) | 1.7 |