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Table 1 Pneumonia types included in the non-COVID group

From: Dual-energy CT angiography reveals high prevalence of perfusion defects unrelated to pulmonary embolism in COVID-19 lesions

Pneumonia type Diagnosis of infection Subtype or infectious agent n PD + /PD-
Bacterial Suspected Aspiration pneumonia 6 1/5
   Superinfection post-influenza 2 1/1
   Other 47 14/33
  Documented Pneumococcus 7 3/4
   Legionella pneumophilia 4 0/3
   Pseudomonas aeruginosa 4 1/3
   Klebsiella pneumoniae 1 0/1
   Staphylococcus aureus 1 0/1
   Mycobacterium tuberculosis 1 1/1
Viral Suspected   1 0/1
Fungal Documented Aspergillus fumigatus 1 0/1
   Pneumocystis jiroveci 1 0/1
Indeterminate    3 0/3
  1. When microbiologically documented, the infectious agent implicated was noted
  2. PD + : patients with perfusion defects; PD-: patients without perfusion defects