Fig. 3From: The prognostic value of modified Glasgow Prognostic Score in pancreatic cancer: a meta-analysisPublication bias of studies enrolled in the present meta-analysis. The Begg’s funnel plot: a mGPS high vs. low; b mGPS 1 vs. 0; c mGPS 2 vs. 0; Trim and fill analysis: d mGPS high vs. low; e mGPS 1 vs. 0; f mGPS 2 vs. 0Back to article page