Cognitive impairment in patients with bipolar disorder alone versus those with bipolar disorder comorbid with borderline personality disorder

Table 4 Comparison of repeatable battery for the assessment of neuropsychological status assessment, Stroop color word test, and Wechsler intelligence scale-revised scores in patients with bipolar mania between group A and group B

Index	Group A (n = 37)	Group B (n = 35)	t	P value
RBANS
Immediate memory score	61.38 ± 9.03	66.95 ± 9.10	-2.606	0.011
Visual breadth score	67.28 ± 8.14	69.88 ± 8.56	-1.321	0.191
Speech function score	77.17 ± 9.04	85.31 ± 9.05	-3.817	0.000
Attention function score	83.52 ± 10.16	84.50 ± 10.22	-0.408	0.685
Delayed memory score	70.65 ± 9.15	72.24 ± 9.09	-0.739	0.462
Total score	67.41 ± 9.10	73.26 ± 9.15	-2.719	0.008
Stroop color-word test
Single word time (s)	15.35 ± 2.17	13.20 ± 2.14	4.230	0.000
Single color time (s)	20.47 ± 2.12	18.49 ± 2.05	4.025	0.000
Double word time (s)	16.68 ± 2.11	14.33 ± 2.21	4.616	0.000
Double color time (s)	37.02 ± 7.40	30.42 ± 6.24	4.080	0.000
WAIS-RC
Verbal IQ score	88.14 ± 9.23	96.20 ± 9.31	-3.688	0.000
Performance IQ score	83.51 ± 4.50	88.56 ± 5.14	-4.442	0.000
Overall IQ score	93.02 ± 9.14	97.91 ± 10.11	-2.155	0.035

RBANS: Repeatable battery for the assessment of neuropsychological status; WAIS-RC: Wechsler intelligence scale-revised.