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Table 3 Frequency and percentages of perineural invasion among surveyed patients

From: Correlation between the perineural invasion and neck metastasis in patients with laryngeal carcinoma: a cross sectional study

PNI

N

%

Chi square test

P value

95% CI

L

U

 + ve

11

25.58%

 < 0.0001*

28.1

63.9

-ve

32

74.42%

  1. N: frequency, %: Percentage
  2. *Significant difference as P < 0.05