Background: Previous epidemiologic studies of autoimmune diseases in the United States (US) have included a limited number of diseases or used meta-analyses that rely on different data collection methods and analyses for each disease.
Methods: To estimate the prevalence of autoimmune diseases in the US, we used electronic health record data from six large medical systems in the US. We developed a software program using common methodology to compute the estimated prevalence of autoimmune diseases alone and in aggregate that can be readily used by other investigators to replicate or modify the analysis over time.
Background Vulval lichen sclerosus (VLS) is a chronic inflammatory condition that is frequently misdiagnosed and under-recognised. To date, qualitative research focuses on lived experience of VLS, with women attributing diagnostic delay to poor interactions with health care professionals (HCPs) often due to lack of knowledge. In the UK, women with VLS are most likely to present to primary care.
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