| 
      *Rheumatoid arthritis, scleroderma, systemic lupus erythematosis
        | Group | Number | Hypothyroidism | Adrenal    Insufficiency | Pernicious    Anaemia | Coeliac    Disease | Vitiligo | Systematic    Autoimmune * |  
        | Total | 504 | 102 (20.2%) | 9 (1.8%) | 2 (0.4%) | 3 (0.6%) | 10 (2%) | 8 (1.6%) |  
        | Females | 246 | 76  (30.9%) ** | 6 (2.4%) | 2 (0.8%) | 3 (1.2%) | 7  (2.8%) | 7 (2.8%) |  
        | Males | 258 | 26  (10.1%) | 3 (1.2%) | 0 | 0 | 3  (1.2%) | 1 (0.4%) |  **p<O.0002 compared to males
 |