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Table 3 Univariable analysis of relapse-free and overall survival in 66 laryngeal squamous cancer patients

From: Parathyroid hormone-related peptide and parathyroid hormone-related peptide receptor type 1 in locally advanced laryngeal cancer as prognostic indicators of relapse and survival

Variables:

 

Relapse-free survival

Overall survival

 

N

RRa

C.I. 95%

pb

RR

C.I. 95%

p

Age (risk per year)

66

0.99

0.9-1.0

0.80

0.98

0.9-1.1

0.23

Gender

 Female

5

1

  

1

  

 Male

61

1.60

0.3-28.8

0.62

0.81

0.2-14.8

0.84

Differentiation

 Well-Moderately

32

1

  

1

  

 Poorly

34

5.62

2.3-15.6

0.0001

2.82

0.9-9.3

0.06

Site

 Glottic

47

1

  

1

  

 Transglottic

19

2.57

1.1-5.7

0.028

1.15

0.2-3.7

0.84

T

 2

36

1

  

1

  

 3-4

30

1.64

0.7-3.7

0.22

2.31

0.8-7.7

0.13

Stage

 II

29

1

  

1

  

 III-IV

37

1.19

0.5-2.7

0.70

2.46

0.8-10.9

0.14

Lymph nodes

 Negative

50

1

  

1

  

 Positive

16

0.97

0.4-2.8

0.95

1.28

0.3-3.9

0.69

PTHrP

 Negative

37

1

  

1

  

 Positive

29

4.35

1.7-13.1

0.0011

3.84

1.2-17.3

0.02

PTH1R

 Positive

19

1

  

1

  

 Negative

47

3.11

1.3-8.5

0.0085

5.64

1.5-36.5

0.0076

  1. aReference risk; bLikelihood ratio test