Clinical effects of nonconvulsive electrotherapy combined with mindfulness-based stress reduction and changes of serum inflammatory factors in depression

Table 3 Comparison of self-rating idea of suicide scale and Pittsburgh Sleep Quality Index scores between the two groups before and after treatment (mean ± SD)

Groups	Times	SSIOS/score	PSQI/score
Control group (n = 70)	Before treatment	18.55 ± 4.02	15.83 ± 1.76
	After treatment	0.87 ± 0.12	7.94 ± 1.35
t		36.780	29.760
P value		< 0.001	< 0.001
Observer group (n = 70)	Before treatment	18.88 ± 4.06	15.36 ± 2.54
	After treatment	1.67 ± 0.28a	5.29 ± 1.33a
t value		35.380	29.390
P value		< 0.001	< 0.001

^aP < 0.05 vs the control group after treatment; n = 70.

SSIOS: Self-rating idea of suicide scale; PSQI: Pittsburgh Sleep Quality Index.