Effect of comprehensive intervention model based on drug-psychology-society-skills on medication compliance and cognitive ability of chronic schizophrenia patients

Table 2 Comparison of positive and negative syndrome scale score between two groups, mean ± SD

Group	Number of cases	Positive symptom score		Negative symptom score
		Before intervention	After intervention	Before intervention	After intervention
Research group (n = 48)	48	15.38 ± 2.45	12.01 ± 2.58a	35.22 ± 2.65	32.51 ± 2.11a
Control group (n = 48)	48	15.66 ± 1.94	14.54 ± 2.33a	35.53 ± 2.01	33.74 ± 2.55a
t value		0.621	5.042	0.646	2.575
P value		0.536	0.000	0.520	0.012

^aP < 0.05.