Apathy is associated with executive functioning in first episode psychosis

BMC Psychiatry

Table 3 Correlation between neuropsychological tests, AES-C-Apathy and possible confounding variables

Test (N)	AES-C-Apathy	CDSS	PANSS Positive	DDD-AP
	r	r	r	r
IQ
Premorbid: NART	.11	<.01	.25*	.11
Current: WASI	-.15	-.02	-.11	-.23
Motor function
Grooved Pegboard	.09	-.02	.14	.18
Psychomotor speed
Digit symbol	-.17	-.04	-.11	-.15
Attention
Digit span forwards	-.13	.02	.04	-.14
Verbal memory
CVLT-II	-.15	.05	-.15	-.13
Visual memory
ROCF long term memory	-.16	-.05	-.10	-.21
Working memory
Letter Number Span	-.26*	-.07	-.13	-.13
Executive function
Initiation
Phonetic fluency^a	-.25*	-.08	< -.01	-.17
Semantic fluency^a	-.37**	-.05	-.04	-.11
Set shifting
Category switching	-.18	.06	.02	-.24*
Inhibition
Color-Word Interference	.23	.10	.25*	.10

r = Pearson product moment correlation; *p <.05; ^a Bonferroni corrected (0.05/2 = .03) * = p ≤ .03; ** = p ≤ .01
Abbreviations: NART, National Adult Reading Test; WASI, Wechsler Abbreviated Scale of Intelligence; CVLT-II, California Verbal Learning Test II; ROCF, Rey-Osterrieth Complex Figure Test; AES-C-Apathy, abridged Apathy Evaluation Scale; CDSS, Calgary Depression Scale for Schizophrenia; PANSS, Positive and Negative Syndrome Scale; DDD-AP, indicates defined daily dose according to the World Health Organization of Antipsychotic medication

ISSN: 1471-244X