Table 3 Variability of light between different lighting conditions
From: Evaluation of the sensory environment in a large tertiary ICU
|  | A (bedspace 4—electric only) | B (bedspace 2—daylight only) | C (bedspace 2—daylight + electric) | D (bedspace 2—electric only) |
|---|---|---|---|---|
Mean (Lux) | 728.56 | 530.89 | 896.44 | 540.56 |
Median (Lux) | 737 | 456 | 781 | 605 |
SD | 47.88 | 311.81 | 227.03 | 141.33 |
Uniformity | 0.89 | 0.47 | 0.78 | 0.47 |