Figure 2

Kaplan-Meier distant metastasis-free survival and overall survival curves for nasopharyngeal carcinoma patients stratified by MTA1 expression level and clinical stage. (A) Stage I-IV patients (n = 208); (B) Stage II patients (n = 64); (C) Stage III patients (n = 63); (D) Stage IV patients (n = 75). HR: hazard ratio; CI: confidence interval.