Skip to main content

Table 1 HIV-1 prevalence and incidence from sentinel surveillance

From: The changing trends of HIV-1 prevalence and incidence from sentinel surveillance of five sub-populations in Yunnan, China, 2001–2010

Population Year The number of subjects The number of HIV antibody-positive subjects Prevalence rate (%,95%CI) The number of previously reported cases The number of samples tested with BED-CEIA The number of recently infected individuals Estimated HIV incidence rate (%,95%CI)
PWID 2001 1344 365 27.16 (24.37 ~ 29.94) 0 345 72 11.68 (9.06 ~ 14.30)
2002 1651 379 22.96 (20.64 ~ 25.27) 0 378 100 12.96 (10.42 ~ 15.50)
2003 2212 475 21.47 (19.54 ~ 23.40) 9 464 52 2.74 (1.99 ~ 3.48)
2004 2331 531 22.78 (20.84 ~ 24.72) 12 517 76 5.23 (4.06 ~ 6.40)
2005 3008 561 18.65 (17.11 ~ 20.19) 33 503 55 2.07 (1.54 ~ 2.60)
2006 2338 491 21.00 (19.14 ~ 22.86) 171 284 32 1.80 (1.21 ~ 2.39)
2007 2416 571 23.63 (21.70 ~ 25.57) 223 331 39 2.18 (1.52 ~ 2.85)
2008 2691 563 20.92 (19.19 ~ 22.65) 162 338 38 1.94 (1.38 ~ 2.51)
2009 4626 1314 28.40 (26.87 ~ 29.94) 717 586 66 1.87 (1.42 ~ 2.32)
2010 3037 633 20.84 (19.22 ~ 22.47) 318 307 38 1.70 (1.17 ~ 2.24)
Male STD clinic attendees 2001 3922 142 3.62 (3.03 ~ 4.22) 0 140 27 1.10 (0.69 ~ 1.52)
2002 5222 122 2.34 (1.92 ~ 2.75) 0 120 27 0.88 (0.55 ~ 1.22)
2003 5419 135 2.49 (2.07 ~ 2.91) 0 123 18 0.47 (0.26 ~ 0.68)
2004 5627 113 2.01 (1.64 ~ 2.38) 3 101 18 0.52 (0.29 ~ 0.75)
2005 5611 89 1.59 (1.26 ~ 1.92) 0 85 15 0.41 (0.21 ~ 0.62)
2006 5636 88 1.56 (1.24 ~ 1.89) 0 60 10 0.37 (0.18 ~ 0.56)
2007 4989 83 1.66 (1.31 ~ 2.02) 5 76 10 0.24 (0.09 ~ 0.38)
2008 4956 67 1.35 (1.03 ~ 1.68) 5 55 8 0.23 (0.08 ~ 0.38)
2009 3731 50 1.34 (0.97 ~ 1.71) 23 26 8 0.42 (0.13 ~ 0.70)
2010 3012 52 1.73 (1.26 ~ 2.20) 19 32 7 0.40 (0.11 ~ 0.69)
FSWs 2007 11775 290 2.46 (2.18 ~ 2.75) 21 255 50 0.71 (0.52 ~ 0.90)
2008 11604 226 1.95 (1.69 ~ 2.20) 12 202 32 0.40 (0.27 ~ 0.54)
2009 12465 276 2.21 (1.95 ~ 2.48) 125 140 25 0.32 (0.20 ~ 0.44)
2010 9760 217 2.22 (1.93 ~ 2.52) 105 112 20 0.31 (0.17 ~ 0.44)
MSM 2008 450 53 11.78 (8.61 ~ 14.95) 0 53 14 6.01 (2.86 ~ 9.16)
2009 467 44 9.42 (6.64 ~ 12.21) 2 42 15 6.58 (3.25 ~ 9.90)
2010 694 71 10.23 (7.85 ~ 12.61) 12 59 27 8.38 (5.22 ~ 11.54)
Pregnant women 2001-2002 20032 60 0.30 (0.22 ~ 0.38) 0 53 10 0.09 (0.04 ~ 0.14)
2003-2004 23254 102 0.44 (0.35 ~ 0.52) 1 94 15 0.09 (0.05 ~ 0.14)
2005-2006 23795 102 0.43 (0.35 ~ 0.51) 0 87 13 0.08 (0.04 ~ 0.12)
2007-2008 26010 108 0.42 (0.34 ~ 0.49) 1 98 15 0.08 (0.04 ~ 0.12)
2009-2010 17032 59 0.35 (0.26 ~ 0.43) 12 41 12 0.15 (0.07 ~ 0.22)