Table 4.

Comparison of cognitive function measurement results 3 months after the first measurement in patients with schizophrenia and co-occurring metabolic syndrome.

Tools	Task	Difference in mean values	Standard error in mean difference (SE)	95% confidence interval for mean difference (CI)		Student’s t-test
				Bottom limit	Upper limit	t	df	P
Stroop Test	Trial 1—time [s]	1.51	0.90	−0.34	3.37	1.675	28	0.105
	Trial 2—time [s]	1.31	0.86	−0.46	3.07	1.517	28	0.141
	Trial 3—time [s]	−.022	1.94	−4.20	3.75	−0.115	28	0.909
Trail Making Test	Test A [s]	−0.20	1.68	−3.63	3.24	−0.117	28	0.908
	Test B [s]	4.75	5.21	−5.93	15.42	0,911	28	0.370
Verbal Fluency Test	Animals	0.45	0.61	−0.79	1.69	0.741	28	0.465
	Objects starting with letter “K”	−0.24	0.50	−1.27	0.79	−0.480	28	0.635
	Sharp objects	−0.14	0.47	−1.11	0.83	−0.292	28	0.773
Digit Span	Forward	0.11	0.23	−0.37	0.57	0.451	28	0.655
	Backward	−0.35	0.21	−0.78	0.09	−1.625	28	0.115
	All	−0.31	0.33	−0.98	0.36	−0.952	28	0.349

Source: own research.