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Table 2 Causes of deterioration in IPF patients, n = 85 (100 %)

From: Survival in Idiopathic pulmonary fibrosis acute exacerbations: the non-steroid approach

IPF exacerbation n = 24, (28 %) IPF progression n = 12, (14 %) Respiratory causes n = 38, (45 %) Non-respiratory causes n = 11, (13 %)
   Respiratory infection, n = 35 (40 %) Heart failure, n = 6 (7 %)
   Tracheobronchitis, n = 28 (33 %) Sepsis, n = 4 (5 %)
   Pneumonia, n = 7 (8 %) Pericarditis, n = 1 (1 %)
   Pulmonary embolism, n = 2 (2 %)  
   Pneumothorax, n = 1 (1 %)  
  1. IPF idiopathic pulmonary fibrosis