Table 1 Demographic data and presence of oral manifestations in coeliac disease patients and non-coeliac controls

Females

665

76.2*

369

65.5

Age at the time of coeliac disease diagnosis, median (range), years

42 (0.5–81)

n.a

Age at the time of the study, median (range), years

54 (18–89)

53 (18–97)

Duration of gluten-free diet at the time of the study, median (IQR), years

9 (5–16)

n.a

Sjögren syndrome at the time of the study

16

1.8

5

0.9

Smoking at the time of the study

 Current smoker

83

9.5

47

8.4

 Former smoker

192

22

146

26

 Never smoker

598

68.5

369

65.7

Dental enamel defects

185^a

26.6**

23 ^b

4.2

Recurrent aphthous ulcerations at diagnosis of coeliac disease

396^c

56.3

n.a

n.a

Recurrent aphthous ulcerations at the time of the study

104^d

16.7***

68^e

12.5

Glossodynia at the time of the study

85^d

13.7**

33^e

6.1