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  Indian J Med Microbiol
 

Figure 4: Funnel plots for publication bias (multivariate studies). (a) ECOG performance status, (b) Gleason score. ECOG: Eastern Cooperative Oncology Group; HR: hazard ratio.

Figure 4: Funnel plots for publication bias (multivariate studies). (<b>a</b>) ECOG performance status, (<b>b</b>) Gleason score. ECOG: Eastern Cooperative Oncology Group; HR: hazard ratio.