Residual Negative Symptoms Differentiate Cognitive Performance in Clinically Stable Patients with Schizophrenia and Bipolar Disorder

Table 3

Comparison of cognitive performance between patient groups.

	Bipolar^a	Schizophrenia^a	𝐹	Sig
Total PGIMS	11.26^a	17.94^a	33.735	<0.001
Digit span forward	4.75^a	3.57^a	26.771	<0.001
Digit span backward	2.84^a	2.32^a	5.011	0.030
ROCFT 1	31.57^a	31.71^a	0.094	0.761
ROCFT 2	18.44^a	14.55^a	31.243	<0.001
Trail-making A	70.81^a	78.99^a	1.761	0.192
Trail-making B	118.99^a	149.37^a	24.107	<0.001
Verbal fluency test	13.06^a	11.82^a	5.371	0.025
Go-no go test	5.52^a	4.84^a	6.694	0.013

aEstimated marginal means; covariates appearing in the model are evaluated at the following values: age = 37.80, gender = 0.3200, number of years in education = 9.58, hdrs = 1.44, ymrs = 2.16. Adjustment for multiple comparisons: Bonferroni. ROCFT: Rey Osterreith Complex figure test; PGIMS: PGI memory scale.