Table 2.

Clinical diagnosis definition

Community-acquired pneumonia (CAP)Must have:

  • New (≤7 days) respiratory symptoms (shortness of breath, cough, chest pain)

  • Acute fever within the last week

  • Treating team diagnosis of CAP and treated with antibiotics includes:

    • Radiology confirmed CAP: radiologist-reported new consolidation or significant infiltrate on the CXR or consolidation on CT.

    • Not radiologically confirmed CAP: either no CXR performed or no consolidation/infiltrate on CXR.

  • CT = computed tomography. CXR = chest X-ray.