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Table 1 Demographic and epidemiological characteristics of HIV-positive individuals in the state of Mato Grosso, Central Brazil.

From: Hepatitis B Virus infection in HIV-positive population in Brazil: results of a survey in the state of Mato Grosso and a comparative analysis with other regions of Brazil

Characteristic N (%) Male N (%) Female N (%) P
Total 1000 (100.0) 530 (53.0) 470 (47.0)  
Age group (in yrs.)
   17–30 268 (26.8) 100 (18.8) 168 (35.7) 0.000
   31–40 408 (40.8) 213 (40.2) 195 (41.5) 0.5
   41–50 230 (23.0) 151 (28.5) 79 (16.8) 0.000
   51–77 94 (9.4) 66 (12.4) 28 (5.9) 0.6
Supposed route of HIV infection
   Unprotected sex 577 (58.8) 403 (76.0) 174 (37.0) 0.000
   HIV+ve partner 322 (32.8) 66 (13.2) 256 (54.4) 0.000
   Blood transfusion 56 (5.7) 30 (5.6) 26 (5.5) NS
   IV-drugs 24 (2.4) 21 (4.0) 3 (0.6) 0.001
Number of sexual partners
   1–5 379 (38.1) 98 (18.4) 281 (59.7)  
   6–10 164 (16.5) 86 (16.2) 78 (16.6)  
   > 10 451(45.3) 341 (64.3) 110 (23.4) 0.000*
STD
   Yes 339 (34.2) 266 (50.7) 73 (15.6) 0.000
   No 653 (65.8) 259 (49.3) 394 (84.4)  
Tattooing
   Yes 134 (13.5) 86 (16.4) 48 (10.3) <0.01
   No 857 (86.5) 438 (83.6) 419 (89.7)  
Vaccination against hepatitis
   Yes 464 (47.6) 239 (46.7) 225 (48.6) 0.6
   No 511 (52.4) 273 (53.3) 238 (51.4)  
Antiretroviral treatment
   Yes 716 (72.0) 402 (76.3) 314 (67.1) <0.05
   No 279 (28.0) 125 (23.7) 154 (32.9)  
CD4 level (cells/mm3)
   0–200 255 (25.5) 143 (27.0) 112 (23.8)  
   201–350 288 (28.8) 141 (26.6) 147 (31.3)  
   > 351 457 (45.7) 246 (46.4) 211 (44.9) 0.7*
Viral Load (copies/mm3)
   < 80 386 (38.6) 224 (42.2) 162 (34.5)  
   81–10,000 242 (24.2) 114 (21.5) 128 (27.2)  
   10,001–100,000 234 (23.4) 115 (21.7) 119 (25.3)  
   > 100,000 138 (13.8) 77 (14.6) 61 (13.0) 0.2*
  1. * Chi-square for linear trend