. Author manuscript; available in PMC: 2013 May 2.

Published in final edited form as: J Neuropsychiatry Clin Neurosci. 2011 Winter;23(1):74–82. doi: 10.1176/appi.neuropsych.23.1.74

TABLE 1.

Interpersonal Reactivity Index Empathy Scores for FTD Clinical Subgroups

Interpersonal Reactivity Index	bvFTD		PNFA		SD		Controls
Interpersonal Reactivity Index	Self	Caregiver	Self	Caregiver	Self	Caregiver	Self	Caregiver
PT	15.64	6.83^*	27.80	23.37	14.14	10.38	20.62	15.56
FS	10.55	6.58^*	17.53	13.14	10.71	8.88	13.59	11.56
EC	18.45	11.67^*	26.63	23.60	21.71	18.25	19.78	18.22
PD	10.82	11.75	23.80^*	17.31^*	13.00	10.63	9.80	8.44
Total	55.45	36.83^*	60.91	54.68	59.57	48.13	56.20	53.78

The Interpersonal Reactivity Index generates a Total score and the following subscale scores: PT: Perspective-Taking; FS: Fantasy Scale; EC: Empathic Concern; PD: Personal Distress.

bvFTD: behavioral variant frontotemporal dementia; PNFA: progressive nonfluent aphasia; SD: semantic dementia.

Significant difference from control subjects (p<0.05).