Tumor Regression Grades: Can They Influence Rectal Cancer Therapy Decision Tree?

Table 5

Results—TRG and clinical long term outcome. Univariable analysis followup: mean—56 months (range: 6–125).

CRT (𝑛=139)
Five years overall survival
Mandard good response (TRG1 + 2)	80.8% (se = 5.3%)	𝑝=.013^a
Mandard bad response (TRG3+ 4 + 5)	63.4% (se = 6.4%)
Five years overall survival
ypCR (Mandard TRG1)	80.4% (se = 8.9%)	𝑝=.77^a
Mandard partial response (TRG2)	81.0% (se = 6.7%)
Five years DFS
Mandard good response (TRG1 + 2)	81.7% (se = 5.1%)	𝑝=.007^a
Mandard bad response (TRG3 + 4 + 5)	61.7% (se = 6.3%)
Five years DFS
ypCR (Mandard TRG1)	80.1% (se = 9.1%)	𝑝=.71^a
Mandard partial response (TRG2)	82.8% (se = 6.1%)

Se: standard error.
^aLog rank test.