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Table 3 Significant differences between actigraphy measured wrist activity compared to percentages of patients’ sleep outcome measured with proxy-rated CSDD and NPI-NH

From: Clinically significant discrepancies between sleep problems assessed by standard clinical tools and actigraphy

 

Actigraphy

CSDD

NPI-NH

p

k

SOL above 30 min or CSDD-DFA ≥ 1

45.8% (n = 38)

18.1% (n = 15)

 

<0.001

.105

EMA above 30 min or CSDD-EMA ≥ 2

59.0% (n = 49)

3.6% (n = 3)

 

<0.001

.051

NoW ≥3 or CSDD-MA ≥ 1

98.8% (n = 82)

43.4% (n = 36)

 

<0.001

.019

SE below 85% or NPI-NH-SS ≥ 4

89.2% (n = 74)

 

20.5% (n = 17)

<0.001

.029

  1. SOL refers to the Sleep Onset Latency measure using actigraphy. EMA refers to the Early Morning Awakening measure. NoW refers to the Number of Wake Bouts measure. SE refers to the Sleep Efficiency measure. CSDD-DFA refers to the Difficulty Falling Asleep measure in the Cornell Scale for Depression in Dementia (CSDD). CSDD-EMA refers to the Early Morning Awakening measure in the CSDD. CSDD-MA refers to the Multiple Awakenings measure in the CSDD. NPI-NH-SS refers to the Subjective Sleep measure in the Neuropsychiatric Inventory – Nursing Home version. k = Cohen’s Kappa
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BMC Geriatrics

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