Table 2 Distribution of mandibular cortical index (MCI) in the two groups.

From: Trabecular and cortical mandibular bone investigation in familial adenomatous polyposis patients

MCI

FAP (n = 15)

Non-FAP (n = 45)

χ2 value

p value

N

%

N

%

C1

12

80.0

34

75.6

0.696

0.706; NS

C2

3

20.0

9

20.0

  

C3

–

–

2

4.4

  

Total

15

100.0

45

100.0

  
  1. Results are given as percentages. p-values were determined using Chi-Square Test (χ2); NS: p > 0.05.
  2. C1 the endosteal margin of the cortex is even and sharp on both sides, C2 the margin shows semilunar defects, lacunar resorption appearance and/or it seems to form endosteal cortical residues in one or both sides, C3 the cortical layer forms heavy endosteal residues and it is clearly porous, MCI mandibular cortical index, N number, NS not significant.
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