Cognitive dysfunction in adolescents with substance use disorder

Middle East Current Psychiatry

Table 7 Comparison between combined benzodiazepine and non-benzodiazepine use groups with control group regarding WCST domains

	Combined benzodiazepine use group		Non-benzodiazepine use group		Control group		p-Value
	N = 100				N = 40
	N	Mean ± SD	N	Mean ± SD	N	Mean ± SD
Number of categories completed	37	2 ± 1	63	2 ± 1	40	5 ± 1	0.031*
Trials to first category	37	33 ± 4	63	32 ± 3	40	20 ± 3	0.027*
Failure to maintain set	37	2 ± 1	63	1 ± 1	40	1 ± 1
Total number of errors	37	68 ± 14	63	56 ± 12	40	34 ± 4
Number of perseverative errors	37	31 ± 8	63	37 ± 8	40	18 ± 3	0.01**
Number of perseverative responses	37	46 ± 5	63	43 ± 4	40	26 ± 4	0.09
Number of non-perseverative errors	37	31 ± 7	63	26 ± 7	40	16 ± 5	0.046*

*p-value < 0.05 significance. **p-value < 0.01 significance. Shows that combined benzodiazepine use group shows a lower mean than non-benzodiazepine use group as regard number of perseverative errors; the difference had statistically critical p = 0.01. Combined benzodiazepine use groups show a lower mean than control group as regard number category completed, higher mean than control group as regard number of non-perseverative errors, and trials to first category; the difference had statistically critical p = 0.05