Changes in neurotransmitter levels, brain structural characteristics, and their correlation with PANSS scores in patients with first-episode schizophrenia

Table 5 Comparison of brain neurotransmitters in schizophrenia patients with different disease characteristics (mean ± SD)

Disease characteristics	n	The distance between the midline of the brain and the inferior fornix (mm)	The vertical distance between the corpus callosum and the inferior part of the fornix (mm)	The horizontal distance between the corpus callosum and the inferior part of the fornix (mm)	The distance between the middle fornix (mm)	The area of the ventricles (mm2)
Positive symptom	57	5.20 ± 0.92	7.31 ± 1.33	6.71 ± 1.04	2.38 ± 0.41	116.80 ± 13.20
Negative symptom	40	5.08 ± 0.85	7.19 ± 1.18	6.54 ± 0.98	2.45 ± 0.38	113.50 ± 11.60
t		0.652	0.458	0.811	-0.853	1.273
P		0.516	0.648	0.419	0.396	0.206