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Table 2 Characteristics of trends in HIV prevalence of test takers in public health centers during 2000–2009 in Korea

From: Ten-year trends in HIV prevalence among visitors to public health centers under the National HIV Surveillance System in Korea, 2000 to 2009

Category 2000 2001 2002 2003 2004
  N (HIV+) Prevalence (95%CI) N (HIV+) Prevalence (95%CI) N (HIV+) Prevalence (95%CI) N (HIV+) Prevalence (95%CI) N (HIV+) Prevalence (95%CI)
Total 109373 (14) 1.3 (0.6-2.0) 187264 (35) 1.9 (1.2-2.5) 223183 (69) 3.1 (2.4-3.8) 255849 (82) 3.2 (2.5-3.9) 332405 (146) 4.4 (3.7-5.1)
Gender
Women 74817 (3) 0.4 (0.0-0.9) 129380 (12) 0.9 (0.4-1.5) 156380 (11) 0.7 (0.3-1.1) 186954 (14) 0.7 (0.4-1.1) 226611 (22) 1.0 (0.6-1.4)
 Men 34556 (11) 3.2 (1.3-5.1) 57884 (23) 4.0 (2.3-5.6) 66803 (58) 8.7 (6.4-10.9) 68895 (68) 9.9 (7.5-12.2) 105794 (124) 11.7 (9.7-13.8)
 Age
 <20 8963 (0) 0.0 13688 (0) 0.0 18047 (2) 1.1 (0.0-2.6) 17805 (1) 0.6 ( 0–1.7) 16817 (3) 1.8 (0.0-3.8)
 20-29 50442 (4) 0.8 (0.0-1.6) 88100 (10) 1.1 (0.4-1.8) 110668 (19) 1.7 (0.9-2.5) 132136 (28) 2.1 (1.3-2.9) 145146 (36) 2.5 (1.7-3.3)
 30-39 24718 (9) 3.6 (1.3-6.0) 41323 (13) 3.1 (1.4-4.9) 48334 (31) 6.4 (4.2-8.7) 57432 (36) 6.3 (4.2-8.3) 85181 (56) 6.6 (4.9-8.3)
 40-49 13523 (1) 0.7 (0.0-2.2) 23519 (10) 4.3 (1.6-6.9) 26043 (10) 3.8 (1.5-6.2) 29509 (10) 3.4 (1.3-5.5) 48873 (36) 7.4 (5.0-9.8)
 50-59 6256 (0) 0.0 11070 (2) 1.8 (0.0-4.3) 10255 (7) 6.8 (1.8-11.9) 10023 (1) 1.0 (0.0-3.0) 22279 (10) 4.5 (1.7-7.3)
 60≤ 5471 (0) 0.0 9564 (0) 0.0 9836 (0) 0.0 8944 (6) 6.7 (1.3-12.1) 14109 (5) 3.5 (0.4-6.6)
Nationality
 Korean 108957 (7) 0.6 (0.2-1.1) 186666 (28) 1.5 (0.9-2.1) 221508 (58) 2.6 (1.9-3.3) 253183 (75) 3.0 (2.3-3.6) 278582 (98) 3.5 (2.8-4.2)
 Foreign 416 (7) 168 (45–292) 598 (7) 117 (31–203) 1675 (11) 65.7 (27–105) 2666 (7) 26.3 (6.8-45.7) 53823 (48) 8.9 (6.4-11.4)
Region
 Metropolis 41357 (6) 1.5 (0.3-2.6) 78960 (17) 2.2 (1.1-3.2) 84147 (41) 4.9 (3.4-6.4) 114531 (46) 4.0 (2.9-5.2) 139024 (81) 5.8 (4.6-7.1)
 Smaller city or  rural area 68016 (8) 1.2 (0.4-2.0) 108304 (18) 1.7 (0.9-2.4) 139036 (28) 2.0 (1.3-2.8) 141318 (36) 2.5 (1.7-3.4) 193381 (65) 3.4 (2.5-4.2)
Reason for HIV testing
 General group 43752 (8) 1.8 (0.6-3.1) 73190 (13) 1.8 (0.8-2.7) 66609 (17) 2.6 (1.3-3.8) 55003 (22) 4.0 (2.3-5.7) 109440 (45) 4.1 (2.9-5.3)
 HIV ISG 12357 (4) 3.2 (0.1-6.4) 20255 (9) 4.4 (1.5-7.3) 28806 (38) 13.2 (9.0-17.4) 37325 (46) 12.3 (8.8-15.9) 49145 (78) 15.9 (12.4-19.4)
 HIV TRG 2127 (2) 9.4 (0.0-22.4) 4776 (8) 16.8 (5.2-28.3) 5512 (8) 14.5 (4.5-24.6) 7487 (7) 9.3 (2.4-16.3) 8664 (8) 9.2 (2.8-15.6)
 STI RG 51137 (0) 0.0 89043 (5) 0.6 (0.1-1.1) 122256 (6) 0.5 (0.1-0.9) 156034 (7) 0.4 (0.1-0.8) 165156 (15) 0.9 (0.4-1.4)
2005 2006 2007 2008 2009 P-value*
N (HIV+) Prevalence (95%CI) N (HIV+) Prevalence (95%CI) N (HIV+) Prevalence (95%CI) N (HIV+) Prevalence (95%CI) N (HIV+) Prevalence (95%CI)
280456(149) 5.3 (4.5-6.5) 317451(132) 4.2 (3.4-4.9) 306898 (126) 4.1 (3.4-4.8) 307588 (132) 4.3 (3.6-5.0) 321356 (141) 4.4 (3.7-5.1) 0.012
192687(25) 1.3 (0.8-1.8) 220172 (21) 1.0 (0.5-1.4) 208425 (16) 0.8 (0.4-1.1) 204156 (18) 0.9 (0.5-1.3) 211064 (22) 1.0 (0.6-1.5) 0.106
87769(124) 14.1(11.6,16.6) 97279 (111) 11.4 (9.3-13.5) 98473 (110) 11.2 (9.1-13.3) 103432 (114) 11.0 (9.0-13.0) 110292 (119) 10.8 (8.8-12.7) 0.017
15587(4) 2.6 (0.1-5.1) 16165 (2) 1.2 (0–3.0) 16883 (1) 0.6 (0–1.8) 18221 (2) 1.1 (0–2.6) 19982 (4) 2.0 (0.0-4.0) 0.094
127393(35) 2.7 (1.8-3.7) 132362 (34) 2.6 (1.7-3.4) 120786 (24) 2.0 (1.2-2.8) 114155 (36) 3.2 (2.1-4.2) 109797 (41) 3.7 (2.6-4.9) 0.001
70723(56) 7.9 (5.8-10.0) 89113 (43) 4.8 (3.4-6.3) 88610 (46) 5.2 (3.7-6.7) 86969 (46) 5.3 (3.8-6.8) 94523 (41) 4.3 (3.0-5.7) 0.612
37559(41) 10.9 (7.6-14.3) 48626 (39) 8.0 (5.5-10.5) 45210 (35) 7.7 (5.2-10.3) 49715 (31) 6.2 (4.0-8.4) 51717 (31) 6.0 (3.9-8.1) 0.038
15196(8) 5.3 (1.6-8.9) 17652 (8) 4.5 (1.4-7.7) 19365 (12) 6.2 (2.7-9.7) 23351 (12) 5.1 (2.2-8.0) 26368 (15) 5.7 (2.8-8.6) 0.041
13998(5) 3.6 (0.4-6.7) 13533 (6) 4.4 (0.9-8.0) 16044 (8) 5.0 (1.5-8.4) 15177 (5) 3.3 (0.4-6.2) 18969 (6) 4.7 (1.6-7.8) 0.042
270497(131) 4.8 (4.0-5.7) 304348 (120) 3.9 (3.2-4.6) 291015 (111) 3.8 (3.1-4.5) 287921 (114) 4.0 (3.2-4.7) 299466 (126) 4.2 (3.5-4.9) 0.002
9959(18) 18.1 (9.7-26.4) 13103 (12) 9.2 (4.0-14.3) 15883 (15) 9.4 (4.7-14.2) 19667 (18) 9.2 (4.9-13.4) 21890 (15) 6.8 (3.4-10.3) 0.022
113290(87) 7.7 (6.1-9.3) 119995 (87) 7.3 (5.7-8.8) 112885 (67) 5.9 (4.5-7.4) 113793 (84) 7.4 (5.8-9.0) 120597 (92) 7.6 (6.1-9.2) 0.001
167166(62) 3.7 (2.8-4.6) 197456 (45) 2.3 (1.6-2.9) 194013 (59) 3.0 (2.3-3.8) 193795 (48) 2.5 (1.8-3.2) 200759 (49) 2.4 (1.8-3.1) 0.094
88116 (32) 3.6 (2.4-4.9) 101633 (24) 2.4 (1.4-3.3) 109670 (30) 2.7 (1.8-3.7) 108003 (23) 2.1 (1.3-3.0) 114589 (24) 2.1 (1.3-2.9) 0.921
39502(86) 21.8 (17.2-26.4) 48567 (87) 17.9 (14.2-21.7) 54755 (81) 14.8 (11.6-18.0) 54108 (93) 17.2 (13.7-20.7) 55360 (91) 16.4 (13.1-19.8) 0.019
8144(10) 12.3 (4.7-19.9) 16161 (13) 8.0 (3.7-12.4) 17019 (10) 5.9 (2.2-0.7) 25098 (9) 3.6 (1.2-5.9) 37319 (21) 5.6 (3.2-8.0) 0.010
144694(21) 1.5 (0.8-2.1) 151090 (8) 0.5 (0.2-0.9) 125454 (5) 0.4 (0.0-0.7) 120379 (7) 0.6 (0.2-1.0) 114088 (5) 0.4 (0.1-0.8) 0.606
  1. N: the number of HIV-tested individuals, HIV+: the number of HIV-infected individuals.
  2. Total (The total number of HIV-tested individuals) was calculated without data of anonymous test.
  3. Prevalence (HIV prevalence): the number of HIV-infected individuals per 10 thousand HIV-tested individuals, CI: confidence interval.
  4. General group: HIV test takers for health checkup, medical certification and prenatal check up.
  5. HIV ISG (HIV infection suspected group) included HIV test takers additional HIV test through referral by doctor and voluntary test taker.
  6. HIV TRG (HIV test recommended group) was composed of TB patient, prisoner, and partner of HIV-infected individuals.
  7. STI RG (sexually transmitted infection risk group) was composed of commercial sex worker, bar employee, tea-room employee, massage parlor employee.
  8. * P-value by adjusted score test for trend of HIV prevalence for 10 years.
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