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Table 4 Associations of treatment-related variables with overall survival after 8 years (log-rank)

From: Intraoperative radiation therapy for the treatment of recurrent retroperitoneal and pelvic tumors: a single-institution analysis

Treatment-Related Variables

Category

Overall Survival

P

Sex

Male

28.6%

0.876

Female

25.5%

 

Age (years)

< 51

30.6%

0.243

> 51

23.5%

 

Region of recurrence

Pelvic

20.8%

0.588

Retroperitoneal

33.4%

 

Local failure

Yes

44.2%

0.006

No

0%

 

Distant failure

Yes

10.3%

0.042

No

52.9%

 

Resection grade

R0

35.8%

0.12

R1

0%

 

EBRT (first-line treatment)

Yes

17.9%

0.109

No

30.4%

 

Association with adjuvant EBRT

Yes

21.4%

0.687

No

34.7%

 

Association with neoadjuvant chemotherapy

Yes

0%

0.157

No

28.6%

 

Association with adjuvant chemotherapy

Yes

38.1%

0.347

No

23.1%

 

Histology

Sarcoma

6,7%

0.005

Epithelial

40%

 

Group of tumors

Colorectal Tumors

43%

0.09

Retroperitoneal Sarcomas

7%

0.005

Gynecological Tumors

30%

0.43

  1. Legend: EBRT External beam radiation therapy