Infectious disease specialist consultations in a Japanese cancer center: a retrospective review of 776 cases

Table 1 Patient demographic and clinical characteristics (N = 776)

Characteristic	Patients n (%)
Sex
Male	448 (57.7)
Female	328 (42.3)
Place of consultation
Inpatient	414 (53.4)
Outpatient	362 (46.6)
Type of consultation
Clinical consultation^a	481 (62.0)
Immunization^b	272 (35.1)
Infection control^c	23 (3.0)
Underlying cancer
Hematologic malignancies	42 (5.4)
Underwent a bone marrow transplant	21 (2.7)
Solid tumors	697 (89.8)
Digestive tract	422 (54.4)
Respiratory tract and thoracic cavity	68 (8.6)
Female reproductive organs	71 (9.1)
Lip, oral cavity, and pharynx	52 (6.7)
Breast	33 (4.3)
Urinary tract	16 (2.1)
Melanoma and other neoplasms of the skin	9 (1.2)
Eye, brain, and other parts of the CNS^d	8 (1.0)
Other solid tumor^e	18 (2.3)
None	37 (4.8)
Stage^f
0	7 (0.9)
I	69 (8.9)
II	109 (14.0)
III	135 (17.4)
IV	364 (47.0)
Unknown	2 (0.1)
Antimicrobial use within 1 month after clinical consultation	328 (42.3)

^aSee Table 2; ^bSee Table 3; ^cSee Table 4; ^dCNS: central nervous system
^eThe 18 other types of solid tumor were cancers of the prostate (n = 7); mesothelial and soft tissue (n = 5); cancer that was classified as ill-defined, other secondary, or cancer of an unspecified site (n = 3); cancer of the thyroid and other endocrine glands (n = 2); and one cancer of the bone and articular cartilage
^fStage was documented in 686 patients: The rest of the patients were not stratified because they had hematologic malignancies, malignancies of the CNS, and unclassifiable neoplasia

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