Saudi Journal of Gastroenterology
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Year : 2021  |  Volume : 27  |  Issue : 6  |  Page : 370-375

Clinical comparison of febrile and afebrile patients with pyogenic liver abscess: A two-centre retrospective study

1 Department of Emergency, Shanghai Jiaotong University School of Medicine affiliated Renji Hospital, Jiangyue Road, Minhang District, Shanghai, China
2 Department of Emergency, Shanghai Jiaotong University School of Medicine affiliated Xinhua Hospital, Kongjiang Road, Yangpu District, Shanghai, China

Correspondence Address:
Dr. Chao Tang
Department of Emergency, Shanghai Jiaotong University School of Medicine affiliated Renji Hospital, 2000 Jiangyue Road, Minhang District, Shanghai - 200025
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/sjg.sjg_17_21

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Background: Limited research has been conducted on afebrile pyogenic liver abscess (PLA). This poses a challenge in rapid diagnosis and early tailored care to physicians. In his study, we aimed to compare the clinical characteristics of afebrile and febrile patients with PLA. Methods: We retrospectively analyzed the data of patients with PLA who were admitted to the emergency departments of two university hospitals between January 2014 and March 2020. Patients were classified into afebrile and febrile groups by using body temperature higher than 38°C as the reference standard. The demographic, clinical, and laboratory characteristics of both groups were compared. The primary outcome was all-cause in-hospital mortality and length of hospital stay. Multivariate analysis was performed to define factors associated with afebrile PLA. Results: Of the 239 patients included in this study, 51 patients (21.3%) were afebrile and 188 patients (78.7%) were febrile. There were no differences between the abscess characteristics, laboratory manifestations, and disease severity of both groups; however, age and Charlson score differed between the groups (P = 0.009 and P = 0.011). The all-cause in-hospital mortality rate was much higher in the afebrile PLA group than in the febrile PLA group (9.8% vs. 2.1%, P = 0.011). Regarding the length of stay, no significant differences were noted in the febrile PLA group compared with the afebrile PLA group (18.5% vs 17.3%, P = 0.514). In multivariate analyses, only age greater than 65 years was significantly associated with afebrile PLA. Conclusions: Afebrile patients with PLA tend to be older, have higher Charlson scores, and in-hospital mortality rate than those with febrile patients. PLA patients older than 65 years are more likely to present without fever (<38°C) at the time of the emergency visit.

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