Fig. 3
From: Prognostic significance of 8-hydroxy-2′-deoxyguanosine in solid tumors: a meta-analysis
Subgroup analysis of the pooled HRs of OS by various factors. a Subgroup analysis of HRs of OS by factor of race. b Subgroup analysis of HRs of OS by factor of cancer types. c Subgroup analysis of HRs of OS by factor of detection method of 8-OHdG. d Subgroup analysis of HRs of OS by factor of detection location of 8-OHdG. e Subgroup analysis of HRs of OS by factor of research quality. f Subgroup analysis of HRs of OS by factor of sample classification