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Table 5 Correlations (r-values) between facial descriptors (scored by the participants) and their corresponding Action Units (fine-grained FACS analysis)

From: Using observational facial descriptors to infer pain in persons with and without dementia

Correlation between:

All videos

All videos

Healthy elderly

Patients with dementia

All participants

Nurses

Controls

all participants

Frowning x AU 4

.071

.075

.068

−.244 ***

.220***

Narrowing eyes x AU 6_7

.297***

.295***

.299***

.004

.400***

Raising upper lip x AU 9_10

.336***

.342***

.330***

.449***

.250***

Opened mouth x AU 25_26_27

.535***

.500***

.571***

.530***

.541***

  1. Values are given separately for the whole sample and the whole videos presented, as well as separately for the videotaped groups of healthy older individuals and patients with dementia and separately for the two subject groups (nurses, controls)
  2. ***p < .001
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BMC Geriatrics

ISSN: 1471-2318

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