Table 1 Summary of study periods and measures collected
From: Evaluation of the sensory environment in a large tertiary ICU
Data/measure | Collected when | Collected where | Collected how | Comments |
|---|---|---|---|---|
Light intensity and doors open versus closed | August 2018 | Study bedspaces 1, 2, 3 | Urbanise IOT wireless sensors | Sensors situated as per hospital regulations and Australian standards |
Sound | August 2018 | Study bedspace 2 | Brüel & Kjær B&K Type 2250-S sound level meter | Microphone placed in the ceiling directly above patients’ head |
Sound | For periods in 2018–2020 | Study bedspaces 1, 2, 3 | SoundEAR 3–300 noise level monitor | Microphone placed in the ceiling directly above patients’ head |
Acoustics | January 2019 | One ICU ‘pod’ | Background noise levels, reverberation time, and acoustic privacy and separation between spaces | Completed when the ICU ‘pod’ was closed due to reduced activity |
Alarms | October 2019 | All ICU | Philips Patient Information Center (PIC iX) central monitoring system + manual download from ventilators | Monitor and ventilator data only available |
Light—horizontal illuminance levels and spectral power distribution | April 2022 | Study bedspaces 2 and 4 | Konica Minolta Illuminance Meter T-10 & Asensetek Lighting Passport Pro Standard spectroradiometer | Measured at a height of 72 cm from the floor, corresponding with average bed height in the ICU |