Table 2.
The exposed illuminance (Lux) of the patients in the group with a biodynamic lighting system (BDL) and the control group during the inpatient stay.
| Illuminance, lux | ||||
|---|---|---|---|---|
| Day | Time | BDL (n=27) | Control (n=20) | p Value |
| Day 1 | 0700-1200 | 279 (130-361) | 33 (21-56) | <0.001 |
| 1200-1700 | 295 (204-499) | 59 (20-85) | <0.001 | |
| 1700-2130 | 121 (62-214) | 28 (9-76) | 0.002 | |
| Day 2 | 0700-1200 | 249 (76-329) | 43 (17-109) | 0.002 |
| 1200-1700 | 275 (172-437) | 68 (50-118) | <0.001 | |
| 1700-2130 | 91 (37-196) | 30 (7-89) | 0.031 | |
| Day 3 | 0700-1200 | 233 (81-389) | 46 (23-145) | 0.002 |
| 1200-1700 | 308 (213-386) | 95 (26-205) | <0.001 | |
| 1700-2130 | 80 (46-135) | 47 (9-133) | 0.280 | |
| Day 4 | 0700-1200 | 241 (128-327) | 69 (34-143) | 0.001 |
| 1200-1700 | 201 (107-348) | 98 (43-152) | 0.017 | |
| 1700-2130 | 120 (68-301) | 22 (3-200) | 0.047 | |
| Day 5 | 0700-1200 | 308 (133-431) | 75 (60-195) | 0.011 |
| 1200-1700 | 262 (175-354) | 95 (55-133) | <0.001 | |
| 1700-2130 | 123 (51-199) | 53 (13-89) | 0.162 | |
The data are expressed as the median (IQR).