OBJECTIVE: To study trends in overall deaths and cause-specific deaths stratified by hepatitis C virus (HCV) serostatus in a cohort of combination antiretroviral (cART)-naive HIV-infected patients in Spain. METHODS: We analyzed data from 1997 to 2008 in two calendar periods: 1997-2003 and 2004-2008. Deaths were ascertained through cohort reporting and a cross-match with the Spanish National Death Index. We used Poisson regression to model mortality rates and risk factors. RESULTS: We analyzed 5974 HIV-positive cART-naive patients: 2471 (1497 HCV positive) in the period 1997-2003, and 3503 (689 HCV positive) in the period 2004-2008. A total of 232 deaths (158 during the first period, and 74 during the second period) were detected during 19 416 person-years of follow-up; the death rate was 12.9 of 1000 person-years. Crude overall death rates [95% confidence interval (CI)] were 16.5 (14.2-19.1) in 1997-2003 and 8.5 (6.7-10.6) in 2004-2008. The incidence rate ratio (IRR) (95%CI) in 2004-2008 taking 1997-2003 as a reference was 0.51 (0.39-0.67). When we stratified by HCV serostatus, the overall death IRR (95% CI) taking 1997-2003 as reference was 0.52 (0.32-0.85) for HCV-negative patients and 1.27 (0.90-1.79) for HCV-positive patients. When we considered cause-specific deaths (liver-related, AIDS-related, and nonliver-related/non-AIDS-related), findings were similar to those for overall-deaths. CONCLUSION: Taking the first years of the cART era as a reference, we observed a decrease in overall and cause-specific mortality. This decrease was only observed in HCV-negative patients.
OBJECTIVE: To study trends in overall deaths and cause-specific deaths stratified by hepatitis C virus (HCV) serostatus in a cohort of combination antiretroviral (cART)-naive HIV-infectedpatients in Spain. METHODS: We analyzed data from 1997 to 2008 in two calendar periods: 1997-2003 and 2004-2008. Deaths were ascertained through cohort reporting and a cross-match with the Spanish National Death Index. We used Poisson regression to model mortality rates and risk factors. RESULTS: We analyzed 5974 HIV-positive cART-naive patients: 2471 (1497 HCV positive) in the period 1997-2003, and 3503 (689 HCV positive) in the period 2004-2008. A total of 232 deaths (158 during the first period, and 74 during the second period) were detected during 19 416 person-years of follow-up; the death rate was 12.9 of 1000 person-years. Crude overall death rates [95% confidence interval (CI)] were 16.5 (14.2-19.1) in 1997-2003 and 8.5 (6.7-10.6) in 2004-2008. The incidence rate ratio (IRR) (95%CI) in 2004-2008 taking 1997-2003 as a reference was 0.51 (0.39-0.67). When we stratified by HCV serostatus, the overall death IRR (95% CI) taking 1997-2003 as reference was 0.52 (0.32-0.85) for HCV-negative patients and 1.27 (0.90-1.79) for HCV-positive patients. When we considered cause-specific deaths (liver-related, AIDS-related, and nonliver-related/non-AIDS-related), findings were similar to those for overall-deaths. CONCLUSION: Taking the first years of the cART era as a reference, we observed a decrease in overall and cause-specific mortality. This decrease was only observed in HCV-negative patients.
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