Comparison 10. Publication status.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Overall survival	27		Hazard Ratio (95% CI)	Subtotals only
1.1 Studies with published efficacy paper	26	38208	Hazard Ratio (95% CI)	0.88 [0.84, 0.92]
1.2 Studies with results from online thesis	1	972	Hazard Ratio (95% CI)	0.67 [0.48, 0.94]
2 Disease‐free survival	30		Hazard Ratio (95% CI)	Subtotals only
2.1 Studies with published efficacy paper	28	40310	Hazard Ratio (95% CI)	0.88 [0.85, 0.92]
2.2 Studies with results in abstract format or in online thesis	2	1599	Hazard Ratio (95% CI)	0.84 [0.67, 1.04]