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. 2020 Sep 11;13:9043–9057. doi: 10.2147/OTT.S262084

Figure 3.

Figure 3

Nomogram and calibration curve for predicting PFS at 6- and 12-month for ES-SCLC patients. (A) Nomogram. The nomogram is used by adding the point identified on the points scale of each variable. The sum of points lies on the axis of Total Points, and corresponding to the percentage on the two axes at the bottom to indicate the 6- and 12-month PFS. (B) Calibration curve for 6-month PFS in training cohort; (C) Calibration curve for 12-month PFS in training cohort. (D) Calibration curve for 6-month PFS in validation cohort. (E) Calibration curve for 12-month PFS in validation cohort.

Abbreviations: PFS, progression-free survival; ES-SCLC, extensive-stage small-cell lung cancer; AAPR, albumin-to-alkaline phosphatase ratio.