Comparison 1. WBRT plus radiosurgery versus WBRT.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1.1 Overall survival	2	358	Hazard Ratio (IV, Random, 95% CI)	0.82 [0.65, 1.02]
1.2 Disease‐specific survival	1		Risk Ratio (IV, Random, 95% CI)	Subtotals only
1.3 Local tumor control	2	358	Hazard Ratio (IV, Random, 95% CI)	0.27 [0.14, 0.52]
1.4 Functionally independent survival (KPS)	1		Risk Ratio (IV, Random, 95% CI)	Subtotals only
1.5 Steroid use	1		Risk Ratio (IV, Random, 95% CI)	Subtotals only