Table 2

Epidemiological features of coeliac disease patients related to the presence (group 1) or absence (group 2) of associated autoimmune (AI) diseases. Column A: dermatitis herpetiformis included as AI disease; column B: dermatitis herpetiformis regarded as not an AI condition (in six of 42 patients with dermatitis herpetiformis, other AI diseases occurred)

Coeliac disease patientsGroup 1Group 2p Value
Mean age (y)43.243.937.638.05< 0.00052-150 <0.0012-150
Mean age at diagnosis (y)35.73728.329< 0.000042-150 <0.000012-150
Mean “actual” gluten exposure (y) NS2-160
Males45/12720/91 83/295108/331NS2-160 NS2-160
Females82/12771/91212/295223/331NS2-160 NS2-160
  • 2-150 Unpaired Student's t test;

  • 2-160 χ2 test.