Year | Total tested in UAPMP GUM survey | HIV undiagnosed before clinic visit | ||||||
---|---|---|---|---|---|---|---|---|
Number of samples tested | Number HIV-1 positive | HIV-1 prevalence (%) | Number HIV-1 positive | HIV-1 prevalence (%) | New diagnosis at that visit | Proportion of positives remaining undiagnosed after clinic visit (%) | ||
(a) | (b) | (b/a) | c | (c/(a − (b − c)))5 | (d) | ((c − d)/c) | ||
Heterosexual males | 1997 | 1095 | 5 | 0.5 | 5 | 0.5 | 0 | 100 |
1998 | 1128 | 11 | 1.0 | 8 | 0.7 | 1 | 88 | |
1999 | 1051 | 9 | 0.9 | 9 | 0.9 | 4 | 56 | |
2000 | 1079 | 9 | 0.8 | 9 | 0.8 | 3 | 67 | |
2001 | 1333 | 7 | 0.5 | 6 | 0.5 | 2 | 67 | |
Total | 5686 | 41 | 0.7 | 37 | 0.7 | 10 | 73 | |
Heterosexual females | 1997 | 826 | 0 | 0.0 | 0 | 0.0 | 0 | – |
1998 | 769 | 3 | 0.4 | 3 | 0.4 | 1 | 67 | |
1999 | 820 | 7 | 0.9 | 7 | 0.9 | 2 | 71 | |
2000 | 930 | 7 | 0.8 | 7 | 0.8 | 4 | 43 | |
2001 | 1261 | 11 | 0.9 | 9 | 0.7 | 6 | 33 | |
Total | 4606 | 28 | 0.6 | 26 | 0.6 | 13 | 50 | |
Men who have sex with men | 1997 | 40 | 5 | 12.5 | 2 | 5.4 | 0 | 100 |
1998 | 40 | 8 | 20.0 | 7 | 17.9 | 2 | 71 | |
1999 | 42 | 5 | 11.9 | 3 | 7.5 | 3 | 0 | |
2000 | 42 | 5 | 11.9 | 1 | 2.6 | 0 | 100 | |
2001 | 46 | 15 | 32.6 | 7 | 18.4 | 2 | 71 | |
Total | 210 | 38 | 18.1 | 20 | 10.4 | 7 | 65 |