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Clinical Characteristics, Course, and Long-Term Outcomes in Patients with Talaromyces marneffei Infection: A 10-Year Retrospective Cohort Study

Qingliang Yu,M. Wei,Rong Xiao,Xiao-min Liang,Siqiao Liang,Nan Ma,Siyao Wu,Y. Ning,Jingmin Deng,Mei-ling Yang,QUAN-FANG Chen,W. Zeng,Mei-hua Li,Xiaokai Feng,Zhiyi He

Published 2023 in Infectious Disease and Therapy

ABSTRACT

Talaromyces marneffei (T. marneffei), a dimorphic fungus, causes local or disseminated infection in humans. We aimed to analyze the clinical characteristics, prognostic factors, and survival outcomes of patients with T. marneffei infection and compare the differences between human immunodeficiency virus (HIV)-positive and HIV-negative subgroups. We retrospectively analyzed 241 patients with T. marneffei infection at the First Affiliated Hospital of Guangxi Medical University between January 2012 and January 2022. The overall population was stratified into HIV-positive (n = 98) and HIV-negative (n = 143) groups according to HIV status. Kaplan–Meier analysis and multivariate Cox regression models were used to determine the prognostic factors for overall survival (OS) and progression-free survival (PFS). With a median follow-up time of 58.9 months, 120 patients (49.8%) experienced disease progression and 85 patients (70.8%) died. The 5-year rates of OS and PFS were 61.4% (95% CI 55.0–68.6%) and 47.8% (95% CI 41.5–55.1%), respectively. As an independent factor, patients who were HIV positive had better PFS (HR 0.50, 95% CI 0.31–0.82; p < 0.01) than patients who were HIV negative. Compared with patients who were HIV positive, patients who were HIV negative were older and had more probabilities of underlying diseases, chest involvement, bone destruction, and higher count of neutrophils (all p < 0.05). Hemoglobin (PFS: HR 0.62; 95% CI 0.39–1.00; p < 0.05; OS: HR 0.45; 95% CI 0.22–0.89; p = 0.02) and lymphocyte count (PFS: HR 0.06; 95% CI 0.01–0.26; p < 0.01; OS: HR 0.08; 95% CI 0.01–0.40; p < 0.01) were independent prognostic factors for PFS and OS in patients who were HIV negative. Patients with T. marneffei infection have a poor prognosis. Patients who are HIV positive and HIV negative have relatively independent clinical characteristics. Multiple organ involvement and disease progression are more common in patients who are HIV negative.

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