Overall Survival Analyses following Adjuvant Chemotherapy or Nonadjuvant Chemotherapy in Patients with Stage IB Non-Small-Cell Lung Cancer

Figure 4

Calibration curves for predicting patient survival at each time. (a) 48-month OS, (b) 96-month OS, and (c) 144-month OS. The results showed good agreement between prediction and observation in the probability of 48-, 96-, and 144-month OS. OS: overall survival.

(a)

(b)

(c)