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

Table 2 Comparison of repeatable battery for the assessment of neuropsychological status assessment, Stroop color-word test, and Wechsler intelligence scale-revised scores in each group

Index	Group A (n = 80)	Group B (n = 80)	Control group (n = 80)	F	P value
RBANS
Immediate memory score	61.45 ± 9.50a,c	66.99 ± 9.32a	81.14 ± 9.21	21.211	0.000
Visual breadth score	66.12 ± 8.86a,c	70.12 ± 9.02a	80.30 ± 9.40	20.043	0.005
Speech function score	77.02 ± 9.40a,c	84.19 ± 9.54a	92.21 ± 10.02	11.281	0.000
Attention function score	83.67 ± 10.23a	84.32 ± 10.41a	105.54 ± 11.21	8.911	0.691
Delayed memory score	70.85 ± 9.82a	71.22 ± 9.13a	87.71 ± 9.40	7.102	0.805
Total score	67.10 ± 9.65a,c	72.68 ± 9.43a	86.60 ± 11.43	9.019	0.000
Stroop color-word test
Single word time (s)	15.23 ± 2.12a,c	13.10 ± 2.12a	11.02 ± 2.02	10.102	0.000
Single color time (s)	20.12 ± 3.04a,c	18.33 ± 3.12a	15.53 ± 2.21	12.043	0.000
Double word time (s)	16.81 ± 2.32a,c	14.23 ± 2.22a	12.02 ± 2.33	11.733	0.000
Double color time (s)	36.43 ± 7.12a,c	30.15 ± 6.90a	26.60 ± 3.22	12.102	0.000
WAIS-RC
Verbal IQ score	89.20 ± 9.32a,c	96.66 ± 9.12a	106.32 ± 9.54	13.322	0.000
Performance IQ score	83.30 ± 4.11a,c	88.82 ± 5.03a	101.11 ± 8.28	21.123	0.000
Overall IQ score	92.21 ± 9.12a,c	97.33 ± 10.13a	107.73 ± 9.22	20.033	0.000

^aP < 0.05 vs control group.

^cP < 0.05 vs group B. RBANS: Repeatable battery for the assessment of neuropsychological status; WAIS-RC: Wechsler intelligence scale-revised.