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Table 1 The demographics and clinical characteristics of the patients at the time of diagnosis

From: Clinical presentation and prognostic analysis of adult patients with Langerhans cell histiocytosis with pulmonary involvement

Characteristics All patients
N = 119
Age, years (median, range) 33 (18–64)
Male, n (%) 87 (73.1)
Time to diagnosis, months (median, range) 17 (1–268)
Smoking status N = 111
Smokers, n (%) 67 (60.4)
Non-smokers, n (%) 44 (39.6)
Smoking index of smokers (median, range) 200 (2–1600)
Organ involvement  
SS-LCH, n (%) 13 (10.9)
MS-LCH, n (%) 106 (89.1)
  1. SS Single-system disease, MS Multisystem disease