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. 2021 May 13;11:10174. doi: 10.1038/s41598-021-89521-9

Table 1.

Baseline characteristics in the TG (N = 14) and CG (N = 11).

TG CG p-value
Age (years) 77.36 ± 5.79 78.55 ± 7.71 0.664
Gender (M:F) 2:12 5:6 0.085
Education (years) 5.14 ± 3.82 5.82 ± 4.00 0.671
ADL 3.61 ± 1.67 4.55 ± 1.59 0.167
CDR (0.5:1:2) 7:5:2 5:5:1 0.856
GDS-K 11.64 ± 7.37 10.18 ± 7.61 0.632
MMSE-KC 16.36 ± 5.09 16.90 ± 4.91 0.949
DLMO 19.70 ± 1.69 20.21 ± 0.96 0.359
Start time of LT (h:m) 05:40 ± 1:09 (n = 9) 05:57 ± 0:48 (n = 5) 0.650

Independent-t test or X2 test, Data are shown as Mean ± SD or Ratio.

TG treatment group, CG control group, ADL activities of daily living, CDR Clinical Dementia Rating, GDS-K Korean version of the Geriatric Depression Scale, MMSE-KC MMSE in the Korean version of CERAD Packet, DLMO Dim light melatonin onset, LT light treatment.