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Table 8 Multivariate Analyses of DFS, LRFS, and DMFS for subgroup patients with lower rectal cancer(tumor location< 7 cm from AV)

From: Tumor location as an indication for adjuvant radiotherapy in pT3N0 rectal cancer after surgery

Variable DFS LRFS DMFS
HR(95%CI) P value HR(95%CI) P value HR(95%CI) P value
Tumor volume, cm3 < 18 vs ≥18 0.429 (0.183–0.906) 0.047 NA   0.217 (0.061–0.769) 0.018
Adjuvant radiotherapy yes vs no 0.358 (0.150–0.851) 0.020 0.314 (0.102–0.964) 0.043 0.345 (0.124–0.959) 0.041
  1. Abbreviations: DFS disease-free survival, LRFS local recurrence-free survival, DMFS distant metastasis-free survival, NA not available, CI confidence interval, HR hazard ratio, AV anal verge