Effect of psychological nursing interventions on effectiveness and quality of life in schizophrenia patients receiving modified electroconvulsive therapy

Table 2 Inferential statistics of the outcome variables, mean ± SD

Variable	Intervention group (n = 40)	Control group (n = 40)	P value
PANSS total score			< 0.001
Before treatment	86.5 ± 14.3	87.2 ± 15.1	0.84
After treatment	58.7 ± 12.4	73.4 ± 13.6	< 0.001
Change	-27.8 ± 9.7	-13.8 ± 8.9	< 0.001
CGI severity score			< 0.001
Before treatment	4.8 ± 0.9	4.9 ± 0.8	0.71
After treatment	3.1 ± 0.7	4.1 ± 0.9	< 0.001
Change	-1.7 ± 0.6	-0.8 ± 0.7	< 0.001
SF-36 total score			< 0.001
After treatment	58.4 ± 10.2	48.6 ± 11.3	< 0.001
Change	16.1 ± 7.8	6.7 ± 8.4	< 0.001
SF-36 domains
Physical functioning	64.5 ± 15.4	61.3 ± 16.7	0.29
Role-physical	56.3 ± 18.7	43.8 ± 19.4	< 0.001
Bodily pain	60.0 ± 17.6	48.8 ± 18.9	< 0.001
General health	52.5 ± 12.9	44.4 ± 14.3	< 0.001
Vitality	55.0 ± 13.4	46.3 ± 14.7	< 0.001
Social functioning	62.5 ± 16.8	51.3 ± 18.2	< 0.001
Role-emotional	58.8 ± 19.6	45.0 ± 21.4	< 0.001
Mental health	59.4 ± 15.2	49.4 ± 16.8	< 0.001

PANSS: Positive and negative syndrome scale; GGI: Clinical global impression scale; SF-36: Short form 36 health survey.