Clinical efficacy and safety of erlotinib combined with chemotherapy in the treatment of advanced pancreatic cancer: A meta-analysis

Figure 1  Flowchart showing the process and results of the literature screening.

Figure 2  Literature bias evaluation chart.

Figure 3 Forest plot of the meta-analysis of disease control rate, overall survival, and progression-free survival in the two groups. A: Disease control rate; B: Overall survival; C: Progression-free survival.

Figure 4 Forest plot of the meta-analysis comparing the incidence of adverse reactions in the two study groups. A: Incidence of diarrhea; B: Incidence of rashes; C: Incidence of vomiting; D: Regurgitation/anorexia; E: Infections.

Figure 5 Plot of publication bias. A: Funnel plot depicting publication bias in the literature reporting disease control rate; B: Funnel plot depicting publication bias in the literature reporting overall survival; C: Funnel plot of publication bias in the literature reporting the incidence of progression-free survival; D: Funnel plot of publication bias in the literature reporting the incidence of regurgitation of anorexia nervosa; E: Inverted funnel plot of publication bias in the literature reporting the incidence of vomiting; F: Inverted funnel plot of publication bias in the literature reporting the incidence of diarrhea; G: Inverted funnel plot of publication bias in studies reporting the incidence of infections; H: Inverted funnel plot of publication bias in studies reporting the incidence of rashes.