Research Article

Impact of Early Chemotherapy Resumption on the Outcome after Staphylococcus aureus Bacteremia in Patients with Solid Tumors: A Retrospective Study in a Single Tertiary Cancer Center in Japan

Table 1

Characteristics of the patients with SAB during chemotherapy.

CharacteristicsTotal (n = 78)Chemotherapy after SAB value
Resumption (n = 36)Nonresumption (n = 42)

Age, median (range)69.0 (28–83)63.5 (28–78)71.0 (41–83)<0.001
Sex (male), n (%)52 (67)20 (56)32 (76)0.091
ECOG-PS, n (%)<0.001
 0-142 (54)30 (83)12 (29)
 2–436 (46)6 (17)30 (71)
Cancer type, n (%)
 Gastrointestinal cancers43 (55)23 (64)20 (48)0.176
 Thoracic cancers9 (12)2 (5)7 (17)0.166
 Breast cancers7 (9)5 (14)2 (5)0.239
 Others§19 (24)6 (17)13 (31)0.189
Cancer status, n (%)1.000
 Metastatic65 (83)30 (83)35 (83)
Nonmetastatic13 (17)6 (17)7 (17)
Chemotherapy line, median (range)1 (1–11)1 (1–11)2 (1–6)0.634
Chemotherapy, n (%)
 Cytotoxic agents70 (90)35 (97)35 (83)0.063
 Targeted agents8 (10)1 (3)7 (17)<0.001
Source of infection, n (%)
 CRBSI51 (65)27 (75)24 (57)0.152
 Skin and soft tissue6 (8)4 (12)2 (5)0.406
 Pneumonia6 (8)1 (3)5 (12)0.209
 Unknown origin10 (13)2 (5)8 (19)0.097
 Others5 (6)2 (5)3 (7)1.000
MRSA, n (%)14 (18)5 (14)9 (21)0.555
ID consultation, n (%)73 (94)36 (100)37 (88)0.058
Pitt bacteremia score, median (range)0 (0–9)1 (0–4)0 (0–9)0.972
Serum albumin, median (range)2.8 (1.4–5.0)3.2 (1.7–5.0)2.7 (1.4–3.9)0.008

value for comparison between chemotherapy resumption and nonresumption. Colorectal cancer, gastric cancer, pancreatic cancer, esophageal cancer, hepatocellular carcinoma, duodenal cancer, neuroendocrine cancer, and maxillary cancer. Nonsmall cell lung cancer and small cell lung cancer. §Oropharyngeal cancer, bladder cancer, cancers of unknown primary origin, prostate cancer, renal pelvic cancer, testicular cancer, glioma, glioblastoma, rhabdomyosarcoma, Ewing sarcoma, cervical cancer, and melanoma. ECOG, Eastern Cooperative Oncology Group; PS, performance status; SAB, Staphylococcus aureus bacteremia; CRBSI, catheter-related bloodstream infection; MRSA, methicillin-resistant Staphylococcus aureus; ID, infectious disease.