Table 3.
Association between TB and HIV-1 viral load.
a) TB infection and HIV-1 plasma viral load
| ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Study | Location | Period | Study design | Population | Follow-up | TB | Study Size | Mean difference (95% CI) | VL assay | TB diagnosis |
Goletti28 | 3 sites in USA and Italy | no details | Cohort | HIV-1/TB co-infected patients | 6–10 months | Active | 2 | 1.01 (−0.07, 2.08) | bDNA | Culture positive for MTB |
Hung29 | Taiwan | 1994-2002 | Cross-sectional2 | HIV infected individuals | Active | 276 | 0.24 (0.08, 0.40) | RT-PCR | Culture positive for MTB | |
Kizza30 | Kampala, Uganda | 2000–1 | Cross-sectional2 | HIV-1/TB-coinfected subjects | Active | 40 | 0.70 (0.18, 1.22) | RT-PCR | Culture positive for MTB | |
Lopez-Gatell31 | USA | 1984-2005 | Cohort | HIV-1/TB-coinfected men | Median 5.4 years | Active | 15 | 0.76 (0.39, 1.10) | RT-PCR | Culture, cytology, clinical or radiology confirmed |
Manoff32 | Baltimore, USA | 1990–4 | Nested case-control | HIV-1 infected subjects | Latent | 6 | −0.14 (−0.94, 0.66) | bDNA | TST >5mm | |
Mawa33 | Entebbe, Uganda | 2000 | Nested case-control | HIV-1 infected subjects | Latent | 29 | −0.5 (−0.99, −0.01) | RT-PCR | TST >5mm | |
Toossi34 | Kampala, Uganda | 1993–5 | Cross-sectional | HIV-1/TB coinfected subjects with CD4<500 | Active | 51 | −0.04 (−0.36, 0.28) | RT-PCR | Culture positive for MTB | |
Cross-sectional | HIV-1/TB coinfected subjects with CD4>500 | Active | 23 | 1.30 (0.44, 2.16) | RT-PCR | Culture positive for MTB | ||||
Cohort | HIV-1 infected subjects who developed pulmonary TB | 6 months | Active | 10 | 0.43 (0.05, 0.81) | RT-PCR | Culture positive for MTB | |||
Whalen35 | Kampala, Uganda | 1993–4 | Nested case-control | HIV infected individuals with and without tuberculosis | Active | 40 | −0.10 (−0.31, 0.11) | RT-PCR | Culture positive for MTB |
b) TB treatment and HIV-1 plasma viral loada | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Study | Location | Period | Population | Therapy | Follow-upb | TB | Study Size | Mean difference (95% CI) | VL assay | TB diagnosis |
Dean36 | South-East UK | 1996–9 | HIV-1/TB co-infected patients | Multiple | 12 months | Active | 20 | −0.94 (−1.78, −0.10) | Multiple | Culture positive for MTB |
Goletti28 | 3 sites in US and Italy | no details | HIV-1/TB co-infected patients | 3–10 months | Active | 5 | −0.80 (−1.37, −0.22) | bDNA | Culture positive for MTB | |
Kalou37 | Abidjan, Ivory Coast | 1995–8 | HIV-1 infected patients with newly diagnosed TB | 2HRZ/4HR | 12 months | Active | 44 | 0.64 (0.32, 0.96) | RT-PCR | 2 positive sputum smears |
Kizza30 | Kampala, Uganda | 2000–1 | HIV-1/TB-coinfected subjects | 2HRZE/4HR | 6 months | Active | 27 | −0.20 (−0.30, −0.10) | RT-PCR | Culture positive for MTB |
Lawn38 | Ghana | no details | HIV-1/TB coinfected subjects | 2SHRZ/6HE | 3 months | Active | 20 | −0.20 (−0.90, 0.50) | RT-PCR | At least 2 out of 3 positive sputum smears |
Morris39 | South Africa | 1997–8 | HIV-1/TB-coinfected subjects | 2HRZE/4HR | 6 months | Active | 57 | −0.07 (−0.40, 0.26) | RT-PCR | Sputum positive for AFB and radiology |
Nikolaeva40 | Ukraine | no details | HIV-1/TB-coinfected subjects | 2HRZSE | 2 months | Active | 20 | 0.09 (−0.03, 0.22) | RT-PCR | Culture positive for MTB, or positive sputum smear and radiology |
Swaminathan41 | Chennai, India | 1999-2000 | HIV/TB coinfected subjects | 2EHRZ3/4RH3 | 6 months | Active | 14 | −0.15 (−1.03, 0.72) | RT-PCR | Sputum smear positive for AFB, or radiology/histopathology |
Schon42 | Gondor, Ethiopia | no details | HIV-1/TB-coinfected subjects | 2HZES/6HE | 2 months | Active | 20 | −0.09 (−0.38, 0.20) | RT-PCR | Sputum smear positive for AFB |
Toossi43 | Kampala, Uganda | no details | HIV-1/TB-coinfected subjects | 6 months | Active | 15 | −0.08 (−0.26, 0.09) | RT-PCR | Culture positive for MTB | |
Wallis44 | Kampala, Uganda | up to 1995 | HIV-1/TB-coninfected subjects | 2HZER/6HR | 12 months | Active | 20 | 0.17 (−0.27, 0.61) | RT-PCR | Culture positive for MTB |
Whalen35 | Kampala, Uganda | 1993–4 | HIV infected individuals with and without tuberculosis | 2HRZE/6HR | 12 months | Active | 20 | 0.49 (0.02, 0.96) | RT-PCR | Culture positive for MTB |
All are cohort studies.
Time since diagnosis.
Details about these studies in column 1 (study column) can be found in SDC