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Table 2 Etiological diagnoses in the overall population

From: Immune alveolitis in interstitial lung disease: an attractive cytological profile in immunocompromised patients

Etiological diagnosis Total (N = 249)
Pneumocystis pneumonia 59 (24)
Drug induced lung disease 49 (20)
Viral pneumonia 34 (14)
Uncertain diagnoses 26 (10)
Hypersensitivity pneumonitis 25 (10)
Granulomatosis 25 (10)
 Sarcoidosis 19 (8)
 Common variable immunodeficiency 2 (1)
 Other granulomatosis 4 (1)
Other diagnoses 17 (7)
 Connective tissue disease 5 (2)
 Vasculitis 3 (1)
 Pulmonary graft versus host disease 3 (1)
 Bacteria (intracellular) 2 (1)
 Idiopathic nonspecific interstitial pneumonia 1 (0.5)
 Cryptogenic organizing pneumonia 1 (0.5)
 Lymphoma 1 (0.5)
 Silicosis 1 (0.5)
Mycobacteria 14 (6)
 Mycobacterium tuberculosis 11 (5)
 Non-tuberculous mycobacterium 3 (1)
  1. Data are presented as N (%)
  2. SD standard deviation, N number