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Table 4 Univariate analysis for overall survival, disease free survival, and distant metastases

From: Pre-radiotherapy feeding tube identifies a poor prognostic subset of postoperative p16 positive oropharyngeal carcinoma patients

Overall survival

p-value

FT Group

Ā 

ā€ƒB-FT vs. NO-FT

0.0003

ā€ƒDA-FT vs. NO-FT

Age (years)

Ā 

ā€ƒā‰„50 vs. < 50

0.0435

Smoking

Ā 

ā€ƒ<20 pack-years vs. never smoker

0.0272

ā€ƒā‰„20 pack-years vs. never smoker

Type of Surgery

Ā 

ā€ƒTLM vs. other

0.0024*

ā€ƒtransoral bovie vs. other

ACE Score

Ā 

ā€ƒModerate/ Severe vs. Mild/None

0.0253*

Combined T Stage

Ā 

ā€ƒT1 vs. T3/T4

0.0440*

ā€ƒT2 vs. T3/T4

Disease Free Survival

Ā 

FT Group

Ā 

ā€ƒB-FT vs. NO-FT

0.0004

ā€ƒDA-FT vs. NO-FT

Age (years)

Ā 

ā€ƒā‰„50 vs. < 50

0.0374

Smoking

Ā 

ā€ƒ<20 pack-years vs. never smoker

0.0346

ā€ƒā‰„20 pack-years vs. never smoker

Type of Surgery

Ā 

ā€ƒTLM vs. other

0.0024*

ā€ƒtransoral bovie vs. other

ACE Score

Ā 

ā€ƒModerate/Severe vs. Mild/None

0.0675*

Combined T Stage

Ā 

ā€ƒT1 vs. T3/T4

0.0509*

ā€ƒT2 vs. T3/T4

Distant Metastases Free Survival

Ā 

Group

Ā 

ā€ƒB-FT vs. NO-FT

0.9981

ā€ƒDA-FT vs. NO-FT

Age (years)

Ā 

ā€ƒā‰„50 vs. < 50

0.1060

  1. Abbreviations: B-FT Feeding tube placement before IMRT, DA-FT Feeding tube placement during or after IMRT, NO-FT No feeding tube, TLM Transoral laser microsurgery, CI Confidence interval.
  2. *Significant in univariate but not in multivariate analysis.