Success of photodynamic therapy in palliating patients with nonresectable cholangiocarcinoma: A systematic review and meta-analysis

Figure 1 Study selection. PDT: Photodynamic therapy.

Figure 2 Forest plot - individual study proportions and the pooled estimate of survival period in photodynamic therapy group.

Figure 3 Funnel plot: Survival in photodynamic therapy group.

Figure 4 Forest plot - individual study proportions and the pooled estimate of change in Karnofsky performance scores in photodynamic therapy group.

Figure 5 Forest plot - individual study proportions and the pooled estimate of odds ratio - successful biliary drainage in photodynamic therapy group vs biliary stenting group.

Figure 6 L’Abbe plot for odds ratio - successful biliary drainage in photodynamic therapy group vs biliary stenting group.

Figure 7 Forest plot - individual study proportions and the pooled estimate of odds ratio - cholangitis in photodynamic therapy group vs biliary stenting group.

Figure 8 Funnel plot - odds ratio for cholangitis in photodynamic therapy group vs biliary stenting group.

Figure 9 Forest plot - individual study proportions and the pooled estimate of photosensitivity reactions in photodynamic therapy group.