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Table 1 North versus Central-South differences between 270 K-OLP and 270 nK-OLP in sociodemographic profile, BMI, and risk factors

From: Where do you live? North versus Central-South differences in relation to Italian patients with oral lichen planus: a cross-sectional study from the SIPMO (Italian Society of Oral Pathology and Medicine)

Demographic variables

K-OLPs (N:270)

p value

nK-OLPs (N:270)

p value

Nord (N:135)

Central/South (N:135)

Nord (N:135)

Central/South (N:135)

N/Frequency (%)

N/Frequency (%)

Gender

 Male

57 (42.2)

48 (35.6)

0.318

37 (27.4)

46 (34.1)

0.291

 Female

78 (57.8)

87 (64.4)

98 (72.6)

89 (65.9)

Employment

 Employed

55 (40.7)

50 (37)

0.054

38 (28.1)

40 (29.6)

0.375

 Unemployed

27 (20)

44 (32.6)

23 (17)

31 (23)

 Retired

53 (39.3)

41 (30.4)

74 (54.8)

64 (47.4)

Family situation

 Single

17 (12.6)

13 (9.6)

0.102

12 (8.9)

10 (7.4)

0.686

 Married

104 (77)

98 (72.6)

103 (76.3)

98 (72.6)

 Divorced

3 (2.2)

12 (8.9)

7 (5.2)

8 (5.9)

 Widowed

11 (8.1)

12 (8.9)

13 (9.6)

19 (14.1)

 

Mean ± SD

 

Mean ± SD

 

Age (in years)

64 ± 10.2

63.5 ± 12.1

0.835

64.9 ± 9.77

64 ± 11.1

0.407

Education (in years)

11 ± 4.01

11.2 ± 3.79

0.594

10.7 ± 4.38

11.7 ± 4.04

0.048*

Body mass index

25 ± 4.22

25 ± 3.77

0.552

24.9 ± 3.9

25.4 ± 4.09

0.249

Risk factors

N/Frequency (%)

 

N/Frequency (%)

 

Smoking

 Yes

30 (22.2)

35 (25.9)

0.569

22 (16.3)

34(25.2)

0.099

 No

105 (77.8)

100 (74.1)

113 (83.79

101(74.8)

Alcohol consumption

 Yes (≤ 14 units/week)

64 (47.4)

37 (27.4)

0.001**

57 (42.2)

42(31.1)

0.077

 No

71 (52.6)

98 (72.6)

78 (57.8)

93(68.9)

  1. The significance difference among the percentages was measured by the Pearson Chi Square test. *Significant 0.01 < p ≤ 0.05, **Significant p ≤ 0.01
  2. The significance difference among the percentages of family situation was measured by the Fisher’s exact test. *Significant 0.01 < p ≤ 0.05, **Significant p ≤ 0.01
  3. K-OLP keratotic oral lichen planus, nK-OLP non-keratotic oral lichen planus