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Table 6 Statistical comparisons between patients with apathy, patients without apathy, and normal controls on tests for the perception of facial expressions of emotion

From: Exploring social cognition in patients with apathy following acquired brain damage

Emotion Kruskal-Walis test result Post hoc comparisons
Bonferroni correction = 0.0167
EKMAN 60 H(2) = 34.82, p < 0.001 C vs A U = 52.5, p < 0.001, r = −.71*
C vs NA U = 51.5, p < 0.001, r = −.61*
A vs NA U = 140.5, ns, r = −.04
Anger H(2) = 17.95, p < 0.001 C vs A U = 165, p < 0.001, r = −.46*
C vs NA U = 84, p < 0.001, r = −.51*
A vs NA U = 134, ns, r = −.08
Disgust H(2) = 22.71, p < 0.001 C vs A U = 127.5, p < 0.001, r = −.55*
C vs NA U = 78.5, p < 0.001, r = − .51*
A vs NA U = 125.5, ns, r = −.12
Fear H(2) = 16.78, p < 0.001 C vs A U = 143.5, p < 0.001, r = −.5*
C vs NA U = 170, p < 0.01, r = −.46*
A vs NA U = 126, ns, r = −.12
Happiness H(2) = 9.21, p < 0.05 C vs A U = 289, p < 0.01, r = −.35*
C vs NA U = 170, p < 0.01, r = −.46*
A vs NA U = 136, ns, r = −.09
Sadness H(2) = 15,47, p < 0.001 C vs A U = 213, p = 0.01, r = −.35*
C vs NA U = 87.5, p < 0.001, r = −.51*
A vs NA U = 92.5, ns, r = .32
Surprise H(2) = 9.27, p < 0.01. C vs A U = 208.5, p < 0.01, r = −.35*
C vs NA U = 137, p < 0.01, r = −.34*
A vs NA U = 146, ns, r = −.001
EMOTION HEXAGON H(2) = 26.11, p < 0.001 C vs A U = 45, p < 0.01, r = −.71*
C vs NA U = 57.5, p < 0.01, r = −.54*
A vs NA U = 127, ns, r = −.02
Anger H(2) = 26.11, p < 0.001 C vs A U = 97, p < 0.01, r = −.55*
C vs NA U = 71, p < 0.01, r = −.48*
A vs NA U = 130, ns, r = 0
Disgust H(2) = 8.22, p < 0.05 C vs A U = 116, ns, r = −.09
C vs NA U = 92.5, p = 0.015, r = − .39*
A vs NA U = 116, ns, r = −.09
Fear H(2) = 23.06, p < 0.001 C vs A U = 67, p < 0.01, r = −.64*
C vs NA U = 59.5, p < 0.01, r = −.53*
A vs NA U = 108, ns, r = −.14
Happiness H(2) = 9.38, p < 0.01 C vs A U = 160, p < 0.01, r = −.44*
C vs NA U = 143, ns, r = −.22
A vs NA U = 95, ns, r = −.25
Sadness H(2) = 27.39, p < 0.001 C vs A U = 72, p < 0.01, r = −.65*
C vs NA U = 31.5, p < 0.01, r = −.69*
A vs NA U = 107, ns, r = −.15
Surprise H(2) = 6.69, p < 0.05 C vs A U = 167, ns, r = −.33
C vs NA U = 107, p < 0.01, r = −.32*
A vs NA U = 120, ns, r = −.06
  1. A, Patients with Apathy; NA, Patients without Apathy; C, Healthy controls.
  2. *Between groups difference is significant.