Table 1 Demographic and clinical information

Male patient (%)^a

52.3% (216/413)

Age (year)^b

59 (48–67)

Number of CXR per patient^a

 1 CXR per patient

79.9% (330/413)

 2 CXRs per patient

13.6% (56/413)

 3 CXRs per patient

6.1% (25/413)

 4 CXRs per patient

0.5% (2/413)

Underlying disease of medical history^a

 Hematologic malignancy or lymphoma

60.8% (251/413)

 Solid organ malignancy

26.4% (109/413)

 Hematopoietic stem cell transplantation

17.4% (72/413)

 Solid organ transplantation

1.7% (7/413)

ANC (count per mm³)^b

36 (0–166)

Peak body temperature (°C)^b

38.9 (38.5–39.3)

Site of infection^c

 Pneumonia

24.4% (128/525)

 Gastrointestinal tract

6.9% (36/525)

 Bone or soft tissue

4.2% (22/525)

 Oral cavity

1.9% (10/525)

 Bloodstream infection

1.7% (9/525)

 Urinary tract

1.3% (7/525)

 Biliary tree

0.8% (4/525)

 Unidentifiable infection focus

62.1% (326/525)

CXRs from fixed radiography unit

27.8% (146/525)

CXRs from portable radiography scanner

72.2% (379/525)