Case report: cognitive performance in an extreme case of anorexia nervosa with a body mass index of 7.7

BMC Psychiatry

Table 5 The patient’s scores on the WCST at two weeks after admission T₀

Wisconsin Card Sorting Test	Raw scores	Standard scores	Percentiles
Trials administered	128
Correct	78
Errors	50	79	8
Perseverative Responses	52	55	< 1
Perseverative Errors	36	65	1
Non-perseverative Errors	14	94	34
Conceptual level responses	61
Categories Completed	1		< 1
Failure to Maintain Set	4		< 1

WCST standard scores (in relation to years of education): Standard scores greater than three standard deviations below the mean are considered in the severely impaired range (less than or equal to 54); 55 to 61 are in the moderately-to-severely impaired range; 62 to 69 are in the moderately impaired range; 70 to 76 are in the mildly-to-moderately impaired range; 77 to 84 are in the mildly impaired range; 85 to 91 are in the below average range; 92 to 106 are in the average range; standard scores equal to or greater than 107 are in the above-average range
Note. The standard score for non-perseverative errors was average since most of her errors were perseverative

ISSN: 1471-244X