Effects of Bifidobacterium triple viable bacteria-assisted mirtazapine in managing depression in patients after radical surgery for gastric cancer

Table 1 Depressed mood scores, mean ± SD

Group	Case	Before, SDS	After, SDS	Before, HAMD	After, HAMD	Before, BDI	After, BDI
Control	40	65.44 ± 3.18	53.27 ± 2.45a	21.16 ± 2.24	10.14 ± 2.12a	13.16 ± 1.24	6.12 ± 0.78a
Observation	40	65.72 ± 3.32	48.12 ± 2.96a	21.27 ± 2.12	6.36 ± 1.18a	13.20 ± 1.21	3.21 ± 0.54a
t		0.385	8.477	0.226	9.853	0.146	19.400
P value		0.701	< 0.001	0.822	< 0.001	0.884	< 0.001

^aP < 0.05. Comparison within the group before treatment.

SDS: Self-Rating Depression Scale; HAMD: Hamilton Depression Scale; BDI: Beck Depression Inventory.