Table 3 Analysis of correct answers for each item by group.

From: NECKCHECK PROJECT: enhancing diagnostic accuracy in oropharyngeal squamous cell carcinoma through computer-based radiological tools

 

Without checklist

With checklist

 

n

%

n

%

p-valor

Sublocation

Incorrect

27

60,0%

8

17,8%

< 0,001

Correct

18

40,0%

37

82,2%

 

Size

Incorrect

39

86,7%

0

0,0%

< 0,001

Correct

6

13,3%

45

100,0%

 

Extrinsic muscles of the tongue

Incorrect

17

37,8%

3

6,7%

< 0,001

Correct

28

62,2%

42

93,3%

 

Crossing of the lingual septum

Incorrect

8

17,8%

5

11,1%

0,368

Correct

37

82,2%

40

88,9%

 

Midline crossing (lingual tonsil)

Incorrect

15

33,3%

10

22,2%

0,239

Correct

30

66,7%

35

77,8%

 

Involvement of the internal carotid

Incorrect

4

8,9%

4

8,9%

1,000

Correct

41

91,1%

41

91,1%

 

Perineural dissemination

Incorrect

45

100,0%

45

100,0%

-

Bone erosion

Incorrect

0

0,0%

1

2,2%

0,315

Correct

45

100,0%

44

97,8%

 

Involvement of the lingual surface of the epiglottis

Incorrect

12

26,7%

5

11,1%

0,059

Correct

33

73,3%

40

88,9%

 

Parapharyngeal space

Incorrect

13

28,9%

12

26,7%

0,814

Correct

32

71,1%

33

73,3%

 

Retropharyngeal space

Incorrect

3

6,7%

5

11,1%

0,459

Correct

42

93,3%

40

88,9%

 

Masticator space

Incorrect

5

11,1%

3

6,7%

0,459

Correct

40

88,9%

42

93,3%

 

Nasopharyngeal space

Incorrect

5

11,1%

7

15,6%

0,535

Correct

40

88,9%

38

84,4%

 

Dissemination to the larynx

Incorrect

3

6,7%

4

8,9%

0,694

Correct

42

93,3%

41

91,1%

 

Lymph node dissemination

Incorrect

15

33,3%

6

13,3%

0,025

Correct

30

66,7%

39

86,7%

 

T

Incorrect

28

62,2%

15

33,3%

0,006

Correct

17

37,8%

30

66,7%

 

N

Incorrect

29

64,4%

22

48,9%

0,136

Correct

16

35,6%

23

51,1%

 

Total number of correct answers (0–17) *

Media (SD)

12,0

(1,7)

14,6

(1,5)

< 0,001

  1. *Normality test for the total number of correct answers: p = 0,097.
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