Table 2 Different causes of crazy-paving pattern in our database

Infection

 -Bacterial infection

 10

 -Viral infection

 3

 -Fungal infection

 4

 -Non-specified infection

 10

ARDS

 6

Acute pulmonary oedema

 5

Interstitial lung disease (UIP, NSIP,AIP, EAA, MTCD)

 16

Tumour

 2

Lymphangitis carcinomatosa

 1

Radiation pneumonitis

 3

Sarcoidosis

 2

Alveolar proteinosis

 1

Graft-versus-host disease

 1

Lipid pneumonia

 1

Organising pneumonia

 1

Undecided

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