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Table 5 Mortality rates and mortality rate ratios for HIV, irrespective of HTLV-I status. MRs and MRRs below and above 45 years of age are compared

From: Mortality associated with HIV-1, HIV-2, and HTLV-I single and dual infections in a middle-aged and older population in Guinea-Bissau

  HIV-1 and HIV-1 + HIV-2 dually infected* HIV-2 single infected
Age group Mortality rate/1000 pyo MRR 95% CI§ Mortality rate/1000 pyo MRR 95% CI§
MEN       
<45 45.1(6.4–320) 12.0# 1.4,99.7 17.9(4.5,71.6) 4.8# 1.0,23.6
> = 45 176(73.2–422) 4.6 1.9,11.1 74.6(54.7,102) 1.5 1.1, 2.2
Test of homogeneity of effect modification of age    p = 0.41    p = 0.18
WOMEN       
<45 46.4(6.5–329) 17.1# 2.1,142 33.4(15.0,74.3) 12.3# 4.0,38.9
> = 45 120(49.8–288) 5.4 2.2,13.1 66.3(51.1,85.9) 1.9 1.4,2.6
Test of homogeneity of effect modification of age    p = 0.32    p < 0.005
  1. *Including both HIV-1 single and HIV-1 + HIV-2 dual infections.
  2. Including only HIV-2 single infections.
  3. MRR = Mortality rate ratio, comparing with HIV-negative.
  4. § CI = confidence interval.
  5. #The MRRs are different from those in Table 4 as the HIV-1 single and HIV-1 + HIV-2 dually infected have been grouped together in this Poisson model (see statistical methods)