Table 1 Univariate analysis of factors influencing NSF after salvage surgery for recurrent NPC.

From: Multifactorial clinical analysis of factors affecting necrosis of nasal septal mucosal flap after salvage surgery for recurrent nasopharyngeal carcinoma

Factor

NSF survival group

NSF necrosis group

X2(t)

P

Age

<60 years old

104

14

2.861

0.91

≥ 60 years old

14

5

  

Gender

Female

29

9

4.241

0.039

Male

89

10

  

Reirradiation

None

115

13

15.698

0.000

Have

3

6

  

EB virus levels

Normal range

99

14

1.182

0.277

Rising range

19

5

  

Initial T stage

T1

5

3

8.741

0.033

T2

18

6

  

T3

72

6

  

T4

23

4

  

Recurrent T stage

T1

56

2

9.473

0.024

T2

20

5

  

T3

32

6

  

T4

10

6

  

Recurrence time

<5 years

99

10

9.839

0.002

≥ 5 years

19

9

  

BMI

<22

43

9

0.830

0.362

≥ 22

75

10

  

Postoperative packing time

<5 days

39

15

8.694

0.003

≥ 5 days

79

4

  

Neutrophil to lymphocyte ratio

5.60 ± 0.57

5.44 ± 1.07

0.119

0.905

Albumin levels

40.37 ± 0.36

39.07 ± 1.05

1.312

0.192

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