Research Article
Overall Survival Analyses following Adjuvant Chemotherapy or Nonadjuvant Chemotherapy in Patients with Stage IB Non-Small-Cell Lung Cancer
Figure 2
Overall survival for the matched study cohort. The Kaplan–Meier survival analysis for matched cohort showed that ACT had better OS than non-ACT (HR = 0.775, CI: (0.704–0.853), ). ACT: adjuvant chemotherapy; OS: overall survival; and non-ACT: nonadjuvant chemotherapy.