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  Indian J Med Microbiol
 

Figure 3: Funnel plots of studies included in the three meta-analyses: ( a ) overall survival (OS), ( b ) cancer-specific survival (CSS) and ( c ) progression-free survival (PFS). HR: hazard ratio; S.E.: standard error.

Figure 3: Funnel plots of studies included in the three meta-analyses: ( <b>a</b> ) overall survival (OS), ( <b>b</b> ) cancer-specific survival (CSS) and ( <b>c</b> ) progression-free survival (PFS). HR: hazard ratio; S.E.: standard error.