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Nocturnal noise levels within the ICU
| Location | Mean (dB (A))(SD) | Min (dB (A)) | Peak (dB (A)) |
|---|---|---|---|
| Intensive care unit (overall) | 52.9 (5.9) | 40.2 | 98.3 |
| Nursing station | 54.8 (5.8) | 42 | 98.3 |
| Isolation rooms | 53.5 (4.1) | 47.7 | 96.3 |
| Two-bedded bay | 53 (6.8) | 41.6 | 86.1 |
| Four-bedded bay | 52 (6.1) | 40.2 | 85.5 |
