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Table 3 LF, PFS, and OS in total and depending on time

From: Analysis of using high-precision radiotherapy in the treatment of liver metastases regarding toxicity and survival

  LF PFS OS
Event (progress/death) - absolute/ (%) 41 (27.3) 99 (86.1) 97 (84.3)
No event - absolute/ (%) 109 (72.7) 16 (13.9) 18 (15.7)
Time (months) median: 35.1 median: 4.3 median: 20.4
95%-CI (months) 0.8–69.4 3.2–5.4 16.2–24.5
  Proportion surviving after
  6 months 12 months 18 months 24 months
OS 87% 72% 54% 45%
PFS 40% 20% 14% 10%
  Probability of LF after
  6 months 12 months 18 months 24 months
LF 7% 18% 21% 23%
  1. LF = local failure; PFS = progression-free survival; OS = overall survival; CI = confidence interval