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Table 1 Clinical characteristics of patients, data is given as median and range

From: Lung clearance index and diffusion capacity for CO to detect early functional pulmonary impairment in children with rheumatic diseases

Number of patients, n 19
 male/female 7/12
Age [years] 14.0 (9–17)
Duration of disease [years] 4.0 (0–10)
Diagnosis, n
 JIA 12
  - psoriatic arthritis 1
  - polyarthritis 5
  - oligoarthritis 4
  - undifferentiated JIA 1
  - enthesitis associated arthritis 1
 other rheumatic diseases 7
  - mixed connective tissue disease 1
  - juvenile dermatomyositis 1
  - systemic autoimmune disorders of unspecified identity 3
  - chronic recurrent multifocal osteomyelitis 1
  - COPA-Syndrome 1
Disease activity, n
 active/inactive 10/9
Therapy, ever, n
 Methotrexate/Biologicals/None 15/6/3
LCI 8.03 (6.1–14.1)
DLCO [% Hb corrected] 81.0 (50–119)
TLC [% predicted] 91 (56–119)
  1. Data are given as median and range
  2. JIA juvenile idiopathic arthritis, LCI lung clearance index, DLCO diffusion capacity of carbon monoxide, TLC total lung capacity
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