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Table 4 Chi-square test analyses on pattern and DOI

From: Can pattern and depth of invasion predict lymph node relapse and prognosis in tongue squamous cell carcinoma

Pattern

DOI

Lymph Node

Chi-square test

< 4 mm

> = 4 mm

OR (95%CI)

P Value

Crumb

34

37

Relapse(−)

2.986 (1.191–7.487)

0.017

Trabes

8

26

Crumb

2

14

Relapse(+)

11.4 (1.105–117.7)

0.013

Trabes

0

56

Crumb

36

51

Total

7.235 (3.117–16.794)

< 0.001

Trabes

8

82