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. 2021 Jun 1;9(6):e26462. doi: 10.2196/26462

Table 5.

Wrist temperature indices.

Parameters Healthy younger adults (n=10) Healthy older adults (n=10) Older adults living with dementia (n=8)
Average wrist temperature parameters (°C), mean (SD)

Sleep temperature 34.98 (0.55) 34.97 (0.34) 34.66 (0.53)

Wake temperature 32.49 (0.83) 32.94 (0.67) 33.40 (1.03)

Sleep and wake temperature difference 2.48 (0.88) 2.04 (0.70) 1.26 (0.82; P=.02)
Cosinor analysis

MESORa (°C), mean (SD) 33.34 (0.61) 33.65 (0.46) 33.90 (0.84)

Amplitude (°C), mean (SD) 1.72 (0.57) 1.45 (0.50) 0.93 (0.59; P=.03)

Acrophase (min), mean (SD) 246 (59) 183 (91; P=.04) 44 (145; P<.001)
Nonparametric analyses (°C), mean (SD)

Interday stability 0.53 (0.10) 0.52 (0.16) 0.32 (0. 19; P=.02)

aMESOR: midline-estimating statistic of rhythm.