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Context: Familial clustering of a disease is an indicator of a possible heritable cause. In the era of genome scans, the consideration of data on heritability should be important in the assessment of the likely success of the scans. Object: The objective of the study was to carry out a family study on nonthyroid endocrine diseases to search familial clustering of these diseases beyond the known sy
Survival from soft tissue tumors (STTs) has been improved because of the successful treatment. One of the late sequelae in STT survivors is the development of a second malignancy. The present study aimed at quantifying risks for second malignancies in patients with STTs, and risks for second STTs after other primary malignancies. Adjusted standardized incidence ratios (SIRs), calculated from the S
PURPOSE: Several earlier studies have assessed survival in prostate cancer based on familial risk of this disease. As a novel concept, we posit that factors governing survival in prostate cancer are likely to be different from those governing risk of prostate cancer. To prove this, we searched for familial clustering of survival (ie, concordance of survival among family members).PATIENTS AND METHO
In the era of complex disease genetics, the consideration of familial risks is important in the assessment of the likely success of these studies. In the present article, we study familial risks for multiple sclerosis (MS) among parents and offspring, singleton siblings, twins, and spouses when a family member was diagnosed with MS or any of 33 other autoimmune diseases. The availability of a Mult
Patients diagnosed with ulcerative colitis (UC) are known to be at an increased risk of colorectal and liver cancers and leukemia. UC is an autoimmune disease, which may present a wider spectrum of cancers. We wanted to examine the risk of cancer in a large population of UC patients in order to reach high statistical power. A UC research database was constructed by identifying UC patients from the
OBJECTIVE: To analyze the association between rheumatoid arthritis, systemic lupus erythematosus, and ankylosing spondylitis and hospitalization for psychiatric disorders, as well as the association between hospitalization for dementia or delirium and systemic lupus erythematosus, by using a novel, large-scale approach.DESIGN: Cohort study with follow-up between 1973 and 2004.PARTICIPANTS: The ent
OBJECTIVES: Patients diagnosed with RA have been at an increased risk of many cancers and at a decreased risk of some cancers. We planned to revisit the theme by using a nation-wide population of RA patients.METHODS: An RA research database was constructed by identifying hospitalized RA patients from the Hospital Discharge Register and cancer patients from the Cancer Registry. Earlier studies from
Familial clustering of a disease is a direct indicator of a possible heritable cause, provided that environmental sharing can be excluded. If the familial clustering is lacking, the likelihood of a heritable influence is also small. In the era of genome scans, the consideration of data on heritability should be important in the assessment of the likely success of the genome scan. The availability
Recent successes in identifying the underlying genetic mechanisms for neurological diseases, particularly for their Mendelian forms, have had profound implications for their diagnostics, treatment and classification. However, there has never been an attempt to compare familial risks in a systematic way among and between the main neurological diseases. Familial risks were here defined for siblings
BACKGROUND: Studies have shown that patients with depression have higher rates of coronary heart disease (CHD) than people in the general population. However, large-scale population-based data on incidence rates of CHD in people with depression are needed. This study analyzed whether hospitalization for depression predicts CHD in men and women after accounting for socioeconomic status and geograph
Migraine and other headaches are common disabling conditions, reducing the quality of life in the affected individuals. The unambiguous definition of familial risk for subtypes of migraine and other headaches will advance the search for the heritable causes of these conditions and their underlying mechanisms. We aim at defining familial risks for siblings to be hospitalized because of migraine or
