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Distribution of the SGRQ total score according to the GAP index in patients with IPF
(GAP index 1 n = 37, GAP index 2 n = 38, GAP index 3 n = 7).
SGRQ – The St. George’s Respiratory Questionnaire, IPF- Idiopathic Pulmonary Fibrosis, GAP Index – Gender, age and physiology.
