You are viewing the site in preview mode

Skip to main content

Table 1 Comparison of acute and established HIV infections in British Columbia (N = 987)

From: Towards targeted screening for acute HIV infections in British Columbia

Characteristic Acute cases
N = 61
Established cases
N = 926
P value Unadjusted OR
Mean age (Range) 38.6 (20-75 yr) 39.1 (0-81 yr) 0.75 -
Sex Male 52/61 (85.2%) 735/922 (79.7%) 0.295 1.47 [0.71, 3.04]
Ethnicity Caucasian 43/60 (71.7%) 540/853 (63.3%) 0.193 1.47 [0.82,2.61]
  Aboriginal 9/60 (15.0%) 130/853 (15.2%) 0.960 0.98 [0.47, 2.04]
  Other 8/60 (13.3%) 183/853 (21.5%) 0.135 0.56 [0.26, 1.21]
MSM 36/61 (59.0%) 424/926 (45.8%) 0.045 1.71 [1.01, 2.89]
IDU 15/61 (24.6%) 266/926 (28.7%) 0.488 0.81 [0.44, 1.47]
Heterosexual 12/61 (19.7%) 195/926 (21.1%) 0.797 0.92 [0.48, 1.76]
Reason for testing due to seroconversion symptoms 20/61 (32.8%) 80/926 (8.6%) 0.000 5.16 [2.88, 9.23]
Documented previous negative HIV test 49/61 (80.3%) 542/926 (58.5%) 0.001 2.89 [1.52, 5.51]
HIV subtype A1 0/49 (0.0%) 6/686 (0.9%) - -
  B 47/49 (95.9%) 633/686 (92.3%) 0.574 1.97 [0.51, 7.52]
  C 0/49 (0.0%) 22/686 (3.2%) - -
  CRF 01_AE 2/49 (4.1%) 11/686 (1.6%) 0.201 2.61 [0.63, 10.87]
  Other 0/49 (0.0%) 10/686 (1.5%) - -
Drug Resistance Class Wild type 45/49 (91.8%) 611/684 (89.3%) 0.809 1.34 [0.49, 3.69]
  NRTI 2/49 (4.1%) 25/684 (3.7%) 0.878 1.12 [0.29, 4.42]
  NNRTI 2/49 (4.1%) 28/684 (4.1%) 0.997 1.01 [0.26, 3.91]
  PI 1/49 (2.0%) 18/684 (2.6%) 0.802 0.77 [0.13, 4.65]
  MDRa 1/49 (2.0%) 2/684 (0.3%) 0.064 7.10 [0.92, 55.44]
  1. a. These are included in the totals for each class.
  2. Abbreviations: IDU - injection drug user; MDR - multi-drug resistant; MSM - men who have sex with men; NNRTI - non-nucleoside reverse transcriptase inhibitor; NRTI - nucleoside reverse transcriptase inhibitor; PI - protease inhibitor