. 2016 Feb 24;16:37. doi: 10.1186/s12888-016-0749-1

Table 4.

Relationship between the variables associated with the course of disease and the test results—correlations (Spearman's rank correlation coefficient)—patients with schizophrenia

	Wechsler forward	Wechsler backwards	Fluency A	Time Stroop words	Time Stroop colors	Time Stroop interferention	Stroop coefficient
Age	-,149	-,182^b	-,032	-,254^a	-,195^b	-,283^a	-,241^a
Hospitalizations	-,101	-,106	-,040	-,163	-,196^b	-,187^b	-,206^b
Time from 1^st hospitalization	-,178^b	-,134	-,077	-,180^b	-,262^a	-,240^a	-,244^a
Time from onset of schizophrenia	-,193^b	-,116	-,039	-,211^b	-,218^b	-,247^a	-,246^a

^aCorrelation is significant at the 0.01 level (2-tailed)

^bCorrelation is significant at the 0.05 level (2-tailed)