Figure 1.
Kaplan-Meier curves for the survival of all 103 patients with esophageal squamous cell carcinoma. Both 3-year overall survival (a) and disease-free survival (b) between the non-anemic and anemic groups were statistically significant. Both 5-year overall survival (c) and disease-free survival (d) between the non-anemic and anemic groups were statistically significant.