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107 Possible Causes for Bimodal Age of Onset

  • Drug-induced Fever

    The illness has a bimodal age distribution. The first peak, termed “systemic-onset juvenile rheumatoid arthritis”, occurs in childhood.[]

  • Autosomal Dominant Spastic Paraplegia Type 31

    A Doody's Core Title 2012 Spasticity: Diagnosis and Management is the first book solely dedicated to the diagnosis and treatment of spasticity. This pioneering work defines spasticity in the broad context of Upper Motor Neuron Syndrome and focuses not on a single component, but on the entire constellation of[…][]

  • Linear IgA Dermatosis

    LAD has a bimodal age of onset: Childhood type (originally known as chronic bullous disease of childhood (CBDC)) appearing before the age of 5 and the adult linear IgA disease[] The distribution of the age of onset seems to follow a bimodal pattern. In children, the age range is from 6 months to 10 years, with a mean of 3.3-4.5 years.[] Despite its low prevalence, LABD has a bimodal peak of age distribution.[]

  • Narcolepsy

    It has a bimodal age of onset around 15 and 35 years.[]

  • Essential Tremor

    The age of tremor onset was bimodally distributed with a median at approximately 15 years.[] While ET has been thought to have a bimodal age of onset (young adulthood and middle age), 9 one study of ET epidemiology that took place in both a population-based practice[] Results Age of onset was bimodally distributed in clinic cases.[]

  • Psoriasis

    N Engl J Med . 352(18): 1899–912 Crossref , Medline , Google Scholar Smith AE, Kassab JY et al. ( 1993 ) Bimodality in age of onset of psoriasis, in both patients and their[] Psoriasis develops at any age and the distribution of age of onset of psoriasis is bimodal in Japan. Also, male predominance is distinct in Japanese psoriatic patients.[] Age-specific psoriasis-onset rate standardized by population showed bimodal distribution in both men and women; the younger peak was in their 30s for men and 10s in women;[]

  • Volvulus

    There is a bimodal age of onset, in the 10-29 year group and then again in the 60-79 year group.[]

  • Dermatomyositis

    The DM is a rare inflammatory disease with a bimodal age-at-onset pattern peaking at 10–15 years and 45–55 years.[]

  • Pityriasis Rubra Pilaris

    […] in men and women and has a bimodal age distribution, with typical onset during the first and fifth to sixth decades. 8) Classification Griffiths classified Pityriasis rubra[] The age distribution is bimodal, with onset typically in the first and fifth decades.[] PRP shows a bimodal age distribution, peaking in the first as well as in the fifth to sixth decade.[]

  • Idiopathic Achalasia

    age of onset, typically occurring between the third and fifth decades or after 60 years of age. 2 Due to the low frequency of this disease, the epidemiologic information[] […] sphincter (LES) relaxation; symptoms referred more frequently are persistent dysphagia, chest pain and/or regurgitations. 1 Achalasia affects both genders equally and has a bimodal[]

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