Spearman rank correlation test for the interrelationship (R) between hypothyroidism or elevated thyroid peroxidase antibody concentration or autoimmune thyroiditis and other autoimmune states and diseases in women with Turner syndrome aged 20 to 85 years and in control individuals from a randomized sample of women (World Health Organization Monitoring of Trends and Determinants for Cardiovascular Disease [MONICA] project, Gothenburg) aged 38 to 78 years. Here, TPO is linked to autoimmune thyroid disease.