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Volume 6
Issue 4
10.11599/germs.2016.1099
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Article

Mortality Among Pulmonary Tuberculosis and HIV-1 Co-Infected Nigerian Children Being Treated for Pulmonary Tuberculosis and on Antiretroviral Therapy: A Retrospective Cohort Study

by
Augustine O. Ebonyi
1,*,
Stephen Oguche
1,
Oche O. Agbaji
2,
Atiene S. Sagay
3,
Prosper I. Okonkwo
4,
John A. Idoko
5 and
Phyllis J. Kanki
6
1
Department of Pediatrics, University of Jos, Jos University Teaching Hospital, PMB 2076, Jos, Nigeria
2
Department of Medicine, University of Jos, Jos University Teaching Hospital, Jos, Nigeria
3
Department of Obstetrics and Gynaecology, University of Jos, Jos University Teaching Hospital, Jos, Nigeria
4
AIDS Prevention Initiative in Nigeria (APIN) Ltd. Gte, Abuja, Nigeria
5
National Agency for the Control of AIDS (NACA), Abuja, Nigeria
6
Department of Immunology and Infectious Diseases, Harvard T. H. Chan School of Public Health, Boston, MA, USA
*
Author to whom correspondence should be addressed.
GERMS 2016, 6(4), 139-150; https://doi.org/10.11599/germs.2016.1099
Submission received: 17 September 2016 / Revised: 29 November 2016 / Accepted: 1 December 2016 / Published: 2 December 2016
Versions Notes

Abstract

Background: Mortality data, including the risk factors for mortality in HIV-infected children with pulmonary TB (PTB) being treated for PTB and who are on antiretroviral therapy (ART), are scarce in Nigeria. We determined the mortality rate and risk factors for mortality among such children, at the pediatric HIV clinic of the Jos University Teaching Hospital (JUTH) in Jos, Nigeria. Methods: We performed a retrospective cohort study on 260 PTB-HIV-1 co-infected children, aged 2 months to 13 years, being treated for PTB and on ART from July 2005 to March 2013. The mortality rate and associated risk factors were determined using multivariate Cox proportional hazards modelling. Results: The mortality rate for the study cohort was 1.4 per 100 child-years of follow-up. Median follow-up time was 5.2 years (IQR, 3.5–6.0 years) with total study time being 1159 child-years. The median age of those who died was lower than that of survivors, 1.9 years (IQR, 0.6–3.6 years) versus 3.8 years (IQR, 1.8–6.0 years), p = 0.005). The majority of the deaths occurred in males (13, 81.2%), those <5 years of age (14, 87.4%) and those who had severe immunosuppression (11, 68.8%). Risk factors for death were age (with the risk of dying decreasing by 25% for every 1 year increase in age, adjusted hazard ratio (AHR) = 0.75 [0.58–0.98], p = 0.032), male gender (AHR = 3.80 [1.07–13.5], p = 0.039) and severe immunosuppression (AHR = 3.35 [1.16–9.66], p = 0.025). Conclusion: In our clinic setting, mortality among our PTB-HIV co-infected children being treated for PTB and on ART was low. However, those presenting with severe immunosuppression and who are males and very young, should be monitored more closely during follow-up in order to further reduce mortality.
Keywords: mortality; HIV-1; pulmonary TB; co-infection; severe immunosuppression; children mortality; HIV-1; pulmonary TB; co-infection; severe immunosuppression; children

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MDPI and ACS Style

Ebonyi, A.O.; Oguche, S.; Agbaji, O.O.; Sagay, A.S.; Okonkwo, P.I.; Idoko, J.A.; Kanki, P.J. Mortality Among Pulmonary Tuberculosis and HIV-1 Co-Infected Nigerian Children Being Treated for Pulmonary Tuberculosis and on Antiretroviral Therapy: A Retrospective Cohort Study. GERMS 2016, 6, 139-150. https://doi.org/10.11599/germs.2016.1099

AMA Style

Ebonyi AO, Oguche S, Agbaji OO, Sagay AS, Okonkwo PI, Idoko JA, Kanki PJ. Mortality Among Pulmonary Tuberculosis and HIV-1 Co-Infected Nigerian Children Being Treated for Pulmonary Tuberculosis and on Antiretroviral Therapy: A Retrospective Cohort Study. GERMS. 2016; 6(4):139-150. https://doi.org/10.11599/germs.2016.1099

Chicago/Turabian Style

Ebonyi, Augustine O., Stephen Oguche, Oche O. Agbaji, Atiene S. Sagay, Prosper I. Okonkwo, John A. Idoko, and Phyllis J. Kanki. 2016. "Mortality Among Pulmonary Tuberculosis and HIV-1 Co-Infected Nigerian Children Being Treated for Pulmonary Tuberculosis and on Antiretroviral Therapy: A Retrospective Cohort Study" GERMS 6, no. 4: 139-150. https://doi.org/10.11599/germs.2016.1099

APA Style

Ebonyi, A. O., Oguche, S., Agbaji, O. O., Sagay, A. S., Okonkwo, P. I., Idoko, J. A., & Kanki, P. J. (2016). Mortality Among Pulmonary Tuberculosis and HIV-1 Co-Infected Nigerian Children Being Treated for Pulmonary Tuberculosis and on Antiretroviral Therapy: A Retrospective Cohort Study. GERMS, 6(4), 139-150. https://doi.org/10.11599/germs.2016.1099

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