Risk of colorectal cancer and associated mortality in HIV: A systematic review and meta-analysis


BACKGROUND: As people with HIV live longer, the numbers of colorectal cancer cases are expected to increase. We sought to compare the colorectal cancer incidence and cause-specific mortality among people living with and without HIV. DESIGN: Systematic review and meta-analysis. METHODS: We searched 5 electronic databases up to June 28, 2016, for primary studies reporting standardized incidence ratios (SIRs), standardized mortality ratios (SMRs)/hazard ratios or data sufficient for estimating these summary measures. We performed a random effects pooled analysis to estimate SIR and SMR of colorectal cancer in HIV. RESULTS: Of 8110 articles, we included 27 studies from North America (n = 18), Europe (n = 7), the Pacific region (n = 4), and South America (n = 1). Overall, 1660 cases of colorectal cancer and colon cancer (excluding rectal cancer) occurred among 1,696,070 persons with HIV. In pooled analysis, we found no summary risk of malignancy among those with HIV relative to an uninfected population (SIR 1.00; 95% confidence interval 0.82 to 1.22; I = 89.2%). Colorectal cancer-specific mortality was higher among people with HIV but did not reach statistical significance (SMR 2.09; 95% confidence interval: 1.00 to 4.40; I = 85.0%). CONCLUSIONS: Rates of colorectal cancer are similar between people with and without HIV. Existing screening guidelines are likely adequate for people with HIV


O'Neill TJ, Nguemo JD, Tynan AM, Burchell AN, Antoniou T




  • Epidemiology and Determinants of Health
    • Epidemiology
  • Population(s)
    • General HIV+ population
  • Co-morbidities
    • Cancer


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