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Table 1 Data abstracted from MESCC RCT PFS and OS analyses

From: A technique for approximating transition rates from published survival analyses

  Description RT-alone arm mS+RT arm
PFS analysis
\(N_{pfs}^e\) Total number of PFS events 17 31
\(N_{pfs}^c\) Total number of patients censored from PFS analysis 5 6
\(\sum \limits _{i=1}^{N_{pfs}^e}p_i^e\) Person-time of PFS observation 7.02 years 27.22 years
\(\tau _{pfs}\) Maximum observation time in the PFS analysis 2.97 years 5.25 years
\(AUC_{pfs}\) Area under PFS curve 0.63 1.16
OS analysis
\(N_{os}^e\) Total number of OS events 44 45
\(N_{os}^c\) Total number of patients censored from OS analysis 1 3
\(\tau _{os}\) Maximum observation time in the OS analysis 2.99 years 5.25 years
\(\sum \limits _{i=1}^{N_{os}^e}o_i^e\) Person-time of OS observation 24.17 years 35.89 years
\(AUC_{os}\) Area under OS curve 0.62 0.98
Synthesis of PFS and OS analyses
\(N_{simul}\) Total number of simultaneous events in PFS and OS curves 10 19