Enhanced Early Neuronal Processing of Food Pictures in Anorexia Nervosa: A Magnetoencephalography Study

Table 1

Demographic and psychological characteristics stratified by group.

Variable	AN-C ()		AN-R ()		HC ()		Significance ( value)	Post hoc ()
	Mean	SD	Mean	SD	Mean	SD
Age	31.2	5.3	27.1	6.5	23.7	5.4	0.018	AN-C > HC
BMI	15.7	1.9	20.9	1.6	21.4	1.9	<0.001	AN-C < AN-R, HC
NART	114.0	7.5	114.6	6.8	109.1	7.3	0.087	—
Lowest BMI	13.0	1.2	13.8	1.2	—	—	0.571	—
Duration of illness	11.0	5.7	5.7	4.2	—	—	0.252	—
Age of onset	21.7	6.1	16.5	2.1	—	—	<0.001	AN-C > AN-R
EDE	3.1	1.4	0.74	0.6	0.24	0.2	<0.001	AN-C > AN-R, HC
EDE-Q	3.4	1.7	0.95	0.8	0.50	0.3	<0.001	AN-C > AN-R, HC
SS	52.8	28.7	5.3	8.4	0.27	0.8	<0.001	AN-C > AN-R, HC
BIS	56.5	12.5	61.6	9.7	56.0	11.8	0.363	—
CIA	29.5	13.4	7.9	6.5	1.9	2.3	<0.001	AN-C > AN-R, HC
OCI-r	20.8	15.8	10.8	6.4	5.7	6.8	0.002	AN-C > AN-R, HC
BDI	29.6	18.1	6.4	6.4	3.4	4.6	<0.001	AN-C > AN-R, HC
SPSRQ Punishment	15.5	5.9	12.1	4.7	8.4	4.0	0.001	AN-C > HC
SPSRQ Reward	8.1	4.3	8.9	4.3	9.3	3.4	0.707	—
STAI state	50.1	13.0	34.4	5.4	26.5	6.5	<0.01	AN-C > AN-R > HC
STAI trait	60.7	12.9	45.2	10.6	32.00	9.4	<0.001	AN-C > AN-R > HC
YBC-EDS-SRQ, current	16.4	8.2	3.8	3.9	0	0	<0.001	AN-C > AN-R, HC
YBC-EDS-SRQ, past	24.6	5.3	23.8	5.3	0	0	<0.001	AN-C, AN-R > HC

BMI: body mass index; NART: National Adult Reading Test; EDE: Eating Disorder Examination; EDE-Q: Eating Disorder Examination-Questionnaire; SS: Self-Starvation Scale; BIS: Barratt Impulsiveness Scale; CIA: Clinical Impairment Assessment; OCI-r: Obsessive Compulsive Inventory Revised; BDI: Beck Depression Inventory; YBC-EDS-SRQ: Yale-Brown-Cornell Eating Disorder Scale Self-Report Questionnaire; STAI: State Trait Anxiety Inventory; — indicates no significant difference between groups.