Table 4.

Subgroup analysis of differences between experimental and control groups in depression test score results.

Feature	Number	SMD (95% CI)	I2 (%)	p-Value	(SMD) p-Value
Invention	Time
≤ 8	3	−0.88 (−1.39, −0.38)	25%	0.26	0.0006
> 8	2	−2.66 (−4.37, −0.94)	92%	0.0003	0.002
Invention	medicine
Report	3	−1.96 (−3.58, −0.35)	95%	0.000	0.02
Non-Report	2	−1.10 (−1.76, −0.45)	19%	0.27	0.0009

Note: Report = there have been reports of the use of specific drugs, Non-Report is not reported.