The impact on incident tuberculosis by kidney function impairment status: analysis of severity relationship
Posted on 2020-02-13 - 05:23
Abstract Background The risk of tuberculosis (TB) in patients with impaired kidney function remains unclear by different stages of renal function impairment. Methods We retrospectively recruited all patients with kidney function in a tertiary-care referral center from January 2008 to December 2013 and followed them till December 2016. We defined the primary outcome as active TB development and analyzed the impact of kidney function impairment. Results During the study period, a total of 289,579 patients were enrolled for analysis, and of them, 1012 patients had active TB events in an average of 4.13 years of follow-up. According to kidney function impairment, the incidence rate of TB was similar in patients with no chronic kidney disease (CKD) or stage 1 and stage 2, and it increased apparently at stage 3a (167.68 per 100,000 person-years) to stage 3b, stage 4 and stage 5 (229.25, 304.95 and 349.29 per 100,000 person-years, respectively). In a Cox proportional hazard regression model, the dose response of TB risk among different stages of kidney function impairment increased significantly from CKD stage 3a to stage 5. Patients with long-term dialysis had a hazard ratio of 2.041 (1.092–3.815, p = 0.0254), which is similar to that of stage 4 CKD but lower than that of stage 5. Conclusion In patients with impaired kidney function, the risk of TB increases from CKD stage 3, and in stage 5, the risk is even higher than that of those receiving dialysis. Further strategies of TB control need to consider this high-risk group.
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Shu, Chin-Chung; Wei, Yu-Feng; Yeh, Yi-Chun; Lin, Hsien-Ho; Chen, Chung-Yu; Wang, Ping-Huai; et al. (2020). The impact on incident tuberculosis by kidney function impairment status: analysis of severity relationship. figshare. Collection. https://doi.org/10.6084/m9.figshare.c.4854729.v1
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AUTHORS (9)
CS
Chin-Chung Shu
YW
Yu-Feng Wei
YY
Yi-Chun Yeh
HL
Hsien-Ho Lin
CC
Chung-Yu Chen
PW
Ping-Huai Wang
SC
Shih-Lung Cheng
JW
Jann-Yuan Wang
CY
Chong-Jen Yu