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Table 2 Univariate analysis of the associations between the clinicopathological characteristics of the patients and their prognostic variables and overall survival

From: Prognostic impact of the prognostic nutritional index in cases of resected oral squamous cell carcinoma: a retrospective study

Variables

Group

n

Survival rate (%)

P value

HR

95% CI

Age

< 66

51

81.4

0.326

  
 

66 ≧

51

71.7

 

1.33

0.31–5.64

Sex

Male

73

72.8

0.472

  
 

Female

29

88.5

 

3.58

0.41–31.10

Smoking status

Smoker

60

70.5

0.114

  
 

Never-smoker

42

87.3

 

0.19

0.03–1.39

Alcohol

Nondrinker

43

89.4

0.101

  
 

Drinker

59

67.5

 

1.82

0.33–10.10

BMI

22.4 <

52

75.4

0.977

  
 

22.4 ≧

50

78.2

 

1.03

0.29–3.76

T

≦ 2

83

77.8

0.671

  
 

3 ≧

19

71.8

 

0.13

0.03–0.64

N

≦ 2

75

76.0

0.646

  
 

3 ≧

27

77.1

 

0.03

0.00–0.22

Stage

≦ 2

62

87.1

0.016

  
 

3 ≧

40

63.5

 

34.3

5.99–19.640

Grade

Well/moderately

93

76.4

0.399

  
 

Poorly

9

77.8

 

0.14

0.02–1.18

Lymphovascular invasion

No

70

81.6

0.22

  
 

Yes

32

67.9

 

0.81

0.22–2.94

Vascular invasion

No

97

78.0

0.014

  
 

Yes

5

60.0

 

1.73

0.38–7.90

Perineural invasion

No

92

77.8

0.062

  
 

Yes

10

70.0

 

6.11

1.02–36.57

Neutrophils

< 59.6

51

80.2

0.092

  
 

≧ 59.6

51

73.0

 

4.93

1.21–20.00

Total lymphocytes

< 1730

51

74.7

0.776

  
 

≧ 1730

51

80.8

 

1.42

0.44–4.65

Alb

< 4

55

75.0

0.57

  
 

≧ 4

47

79.1

 

1.42

0.16–12.92

CRP

< 0.2

59

86.3

0.002

  
 

≧ 0.2

43

62.8

 

5.67

1.50–21.49

PNI

< 42.93

35

64.3

0.011

  
 

≧ 42.93

67

84.1

 

0.15

0.02–1.14

Postoperative treatment

No

76

80.5

0.069

  
 

Yes

26

66.5

 

1.35

0.34–5.39

Close margin (< 5 mm by histopathology)

No

95

76.6

0.433

  
 

Yes

7

85.7

 

2.48

0.31–20.02

  1. BMI body mass index, CRP C-reactive protein, PNI prognostic nutritional index