Outcome | Origin of heterogeneity | Overall effect | P value |
|---|
Overall survival | Dlouhy I 2017 [12] | 1.78 (1.45–2.18) | < 0.00001 |
Advanced disease stage | Vallisa D 1999 [39] | 1.28 (1.09–1.51) | 0.003 |
Presence of B symptoms | Arcaini L 2006 [31] | 1.09 (0.84–1.41) | 0.51 |
Liver cirrhosis | Hosry J 2016 [17] | 1.84 (1.26–2.69) | 0.002 |
