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ORIGINAL ARTICLE
Year : 2016  |  Volume : 12  |  Issue : 2  |  Page : 576-581

Cancer incidence and all-cause mortality in HIV-positive patients in Northeastern Algeria before and during the era of highly active antiretroviral therapy


1 Section of Cancer Information, International Agency for Research on Cancer, Lyon; Section of Cancer Information, University of Lyon, University of Lyon, France
2 Section of Cancer Information, International Agency for Research on Cancer, Lyon, France; MRC/UVRI Research Unit on AIDS, Entebbe, Uganda; Department of Health Sciences, University of York, York, United Kingdom
3 Section of Cancer Information, University of Lyon, University of Lyon 1; Department of Hygiene, Epidemiology and Prevention, Edouard Herriot Hospital, Civil Hospital of Lyon; Laboratory of Epidemiology and Public Health, CNRS, UMR 5558, Lyon, France
4 Infectious Disease Service, Durban Hospital, University Teaching Hospital, 23000 Annaba, Algeria
5 Section of Cancer Information, International Agency for Research on Cancer, Lyon, France

Correspondence Address:
Karima Chaabna
Section of Cancer Information, International Agency for Research on Cancer, 150 Cours Albert Thomas, 69372 Lyon
France
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0973-1482.179521

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Aims: To assess cancer incidence and all-cause mortality trends in HIV-positive patients in Algeria before and during the highly active antiretroviral therapy (HAART) era. Settings and Design: Cross-sectional study. Subjects and Methods: We used hospital-based data of patients with HIV/AIDS between January 1988 and December 2010. Statistical Analysis Used: Cancer incidence, standardized mortality ratios (SMRs), risk of death, and proportion of HIV-positive patients treated before and during the HAART era were calculated. The joinpoint model was used to assess the magnitude of changes in SMRs. Results: In 1988–2010, 156 patients were diagnosed as HIV-positive. During pre-HAART era, Kaposi sarcoma (KS) incidence was 5%. After the introduction of HAART, KS incidence decreased to 2%. No other AIDS-related cancer was diagnosed during the study. One-third died (52/156), of which 83.6% died in the same year as or in the year after HIV diagnosis; median age at death (interquartile range) was 34.5 (11.8) years. Yearly risk of death declined from 100% in 1998 to 8% in 2010; percentage of patients treated with HAART increased from 13% in 1998 to >80% after 2002. Overall SMR decreased from 200.2 (95% confidence interval [95% CI], 123.2–325.2) before the HAART era to 91.4 (95% CI, 66.0–126.6) thereafter. From 2003, yearly SMRs decreased significantly by 66.1% (P < 0.05) until 2006 but not thereafter. Conclusions: Since 1998, the proportion of HIV-positive patients treated with HAART increased, reaching 84% in 2010, all-cause mortality decreased, and cancer remained rare. However, almost all patients who died during the study seemed to be diagnosed at a late stage of the disease, emphasizing the need for earlier diagnosis of HIV in Algeria.


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