Survival and predictors of mortality after completion of TB treatment among people living with HIV: a 5-year analytical cohort

Abstract Background After completion of TB treatment patients may remain at risk of co-morbidity and mortality. We determined the survival and predictors of all-cause mortality after completing TB treatment among ART-experienced patients. Methods This was a retrospective cohort analysis of all ART e...

Full description

Bibliographic Details
Main Authors: Ivan Lumu, Joseph Musaazi, Aggrey Semeere, Ian Handel, Barbara Castelnuovo
Format: Article
Language:English
Published: BMC 2023-04-01
Series:BMC Infectious Diseases
Subjects:
Online Access:https://doi.org/10.1186/s12879-023-08217-9
_version_ 1797841163650072576
author Ivan Lumu
Joseph Musaazi
Aggrey Semeere
Ian Handel
Barbara Castelnuovo
author_facet Ivan Lumu
Joseph Musaazi
Aggrey Semeere
Ian Handel
Barbara Castelnuovo
author_sort Ivan Lumu
collection DOAJ
description Abstract Background After completion of TB treatment patients may remain at risk of co-morbidity and mortality. We determined the survival and predictors of all-cause mortality after completing TB treatment among ART-experienced patients. Methods This was a retrospective cohort analysis of all ART experienced patients who completed TB treatment at a specialist HIV clinic in Uganda, between 2009 and 2014. The patients were followed for five years after TB treatment. We determined the cumulative probability of death, and predictors of mortality using Kaplan-Meier methods and Cox proportional hazard models, respectively. Results A total 1,287 patients completed TB treatment between 2009 and 2014, of which 1,111 were included in the analysis. At TB treatment completion, the median age was 36 years (IQR: 31–42), 563 (50.7%) were males, and median CD4 cell count was 235 cells/mL (IQR: 139–366). The person-time at risk was 4410.60 person-years. The all-cause mortality rate was 15.42 (95% CI: 12.14–19.59) per 1000 person-years. The probability of death at five years was 6.9% (95%CI: 5.5- 8.8). In the multivariable analysis, CD4 count < 200 cells/mL was a predictor of all-cause mortality (aHR = 1.81, 95%CI:1.06–3.11, p = 0.03) alongside history of retreatment (aHR = 2.12, 95%CI: 1.16–3.85, p = 0.01). Conclusion Survival post TB treatment in ART experienced PLHIV is reasonably good. Most deaths occur within two years after TB treatment completion. Patients with a low CD4 count and those with a history of retreatment have an increased risk of mortality which underscores the need for TB prophylaxis, detailed assessment, and close monitoring after completion of TB treatment.
first_indexed 2024-04-09T16:26:38Z
format Article
id doaj.art-a51eeeffcf91410d8fdea6326d488a40
institution Directory Open Access Journal
issn 1471-2334
language English
last_indexed 2024-04-09T16:26:38Z
publishDate 2023-04-01
publisher BMC
record_format Article
series BMC Infectious Diseases
spelling doaj.art-a51eeeffcf91410d8fdea6326d488a402023-04-23T11:10:25ZengBMCBMC Infectious Diseases1471-23342023-04-0123111010.1186/s12879-023-08217-9Survival and predictors of mortality after completion of TB treatment among people living with HIV: a 5-year analytical cohortIvan Lumu0Joseph Musaazi1Aggrey Semeere2Ian Handel3Barbara Castelnuovo4Infectious Diseases Institute - College of Health Sciences, Makerere UniversityInfectious Diseases Institute - College of Health Sciences, Makerere UniversityInfectious Diseases Institute - College of Health Sciences, Makerere UniversityEdinburgh Medical School, University of EdinburghInfectious Diseases Institute - College of Health Sciences, Makerere UniversityAbstract Background After completion of TB treatment patients may remain at risk of co-morbidity and mortality. We determined the survival and predictors of all-cause mortality after completing TB treatment among ART-experienced patients. Methods This was a retrospective cohort analysis of all ART experienced patients who completed TB treatment at a specialist HIV clinic in Uganda, between 2009 and 2014. The patients were followed for five years after TB treatment. We determined the cumulative probability of death, and predictors of mortality using Kaplan-Meier methods and Cox proportional hazard models, respectively. Results A total 1,287 patients completed TB treatment between 2009 and 2014, of which 1,111 were included in the analysis. At TB treatment completion, the median age was 36 years (IQR: 31–42), 563 (50.7%) were males, and median CD4 cell count was 235 cells/mL (IQR: 139–366). The person-time at risk was 4410.60 person-years. The all-cause mortality rate was 15.42 (95% CI: 12.14–19.59) per 1000 person-years. The probability of death at five years was 6.9% (95%CI: 5.5- 8.8). In the multivariable analysis, CD4 count < 200 cells/mL was a predictor of all-cause mortality (aHR = 1.81, 95%CI:1.06–3.11, p = 0.03) alongside history of retreatment (aHR = 2.12, 95%CI: 1.16–3.85, p = 0.01). Conclusion Survival post TB treatment in ART experienced PLHIV is reasonably good. Most deaths occur within two years after TB treatment completion. Patients with a low CD4 count and those with a history of retreatment have an increased risk of mortality which underscores the need for TB prophylaxis, detailed assessment, and close monitoring after completion of TB treatment.https://doi.org/10.1186/s12879-023-08217-9SurvivalTuberculosisHIVAntiretroviral therapyTB treatment completion
spellingShingle Ivan Lumu
Joseph Musaazi
Aggrey Semeere
Ian Handel
Barbara Castelnuovo
Survival and predictors of mortality after completion of TB treatment among people living with HIV: a 5-year analytical cohort
BMC Infectious Diseases
Survival
Tuberculosis
HIV
Antiretroviral therapy
TB treatment completion
title Survival and predictors of mortality after completion of TB treatment among people living with HIV: a 5-year analytical cohort
title_full Survival and predictors of mortality after completion of TB treatment among people living with HIV: a 5-year analytical cohort
title_fullStr Survival and predictors of mortality after completion of TB treatment among people living with HIV: a 5-year analytical cohort
title_full_unstemmed Survival and predictors of mortality after completion of TB treatment among people living with HIV: a 5-year analytical cohort
title_short Survival and predictors of mortality after completion of TB treatment among people living with HIV: a 5-year analytical cohort
title_sort survival and predictors of mortality after completion of tb treatment among people living with hiv a 5 year analytical cohort
topic Survival
Tuberculosis
HIV
Antiretroviral therapy
TB treatment completion
url https://doi.org/10.1186/s12879-023-08217-9
work_keys_str_mv AT ivanlumu survivalandpredictorsofmortalityaftercompletionoftbtreatmentamongpeoplelivingwithhiva5yearanalyticalcohort
AT josephmusaazi survivalandpredictorsofmortalityaftercompletionoftbtreatmentamongpeoplelivingwithhiva5yearanalyticalcohort
AT aggreysemeere survivalandpredictorsofmortalityaftercompletionoftbtreatmentamongpeoplelivingwithhiva5yearanalyticalcohort
AT ianhandel survivalandpredictorsofmortalityaftercompletionoftbtreatmentamongpeoplelivingwithhiva5yearanalyticalcohort
AT barbaracastelnuovo survivalandpredictorsofmortalityaftercompletionoftbtreatmentamongpeoplelivingwithhiva5yearanalyticalcohort