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Table 4 Significant prognostic factors in multivariate analysis

From: Intraoperative Electron Radiation Therapy (IOERT) in the management of locally recurrent rectal cancer

prognostic factor

Local control

Overall Survival

 

hazard ratio

p-value

hazard ratio

p-value

time FD to rec

< 30 months

1

 

1

 

≥ 30 months

0.95 (0.92-0.98)

0.04

0.98 (0.96-1.01)

0.221

resection margin

R0

1

 

1

 

R1

7.12 (2.29-22.12)

0.001

10.12 (3.76-27.27)

< 0.001

R2

23.25 (7.22-74.79)

< 0.001

13.04 (4.44-38.38)

< 0.001

  1. FD: first diagnosis, rec: local recurrence, R0: complete resection without microscopic residual disease, R1: microscopic residual disease, R2: gross residual disease values in parentheses: 95% confidence intervals.
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