| | Characteristic | MRSA cases
() | Non-MRSA cases
() | Odds ratio | 95% CI | value |
| | Female, (%) | 8 (57%) | 989 (55%) | 1.1 | 0.4, 3.2 | 0.87 | | Non-Hispanic black, (%) | 14 (100% ) | 1237 (69%) | 1.5 | 1.4, 1.5 | 0.012 | | Behavioral risk factor for HIV acquisition, (%) | 6 (43%) | 310 (17%)
(7 missing) | 3.6 | 1.2, 10.4 | 0.012 | | Viral load 1000 copies/mL, (%) | 12 (86%) | 910 (51%)
(16 missing) | 5.8 | 1.3, 25.8 | 0.01 | | Not receiving HAART, (%) | 8 (57%) | 980 (54%) | 1.1 | 0.4, 3.2 | 0.85 | | ANC1 1500, cells/μL, (%) | 3 (30%)
(4 missing) | 464 (27%)
(97 missing) | 1.1 | 0.3, 4.5 | 0.84 | | Care site, (%) | | | 10.12 | 3.5, 29.7 | 0.0001 | | Maryland | 6 (43%) | 124 (7%) | | Georgia | 2 (14%) | 143 (8%) | | Florida | 3 (21%) | 488 (27%) | | Washington D.C. | 1 (7%) | 141 (8%) | | Pennsylvania | 1 (7%) | 99 (6%) | | Texas | 1 (7%) | 206 (11%) | | New York | 0 (0%) | 294 (16%) | | Puerto Rico | 0 (0%) | 87 (5%) | | California | 0 (0%) | 176 (10%) | | New Jersey | 0 (0%) | 41 (2%) | | History of eczema, (%) | 2 (14%) | 236 (13%) | 1.1 | 0.2, 5.0 | 0.9 | | Age ≥15 yrs, (%) | 10 (71%) | 785 (44%) | 3.2 | 1.0, 10.3 | 0.037 | | Mean/median age, years | 17.1/18.0 | 13.8/14.0 | — | — | 0.05 | | CD4 count <200, cells/μL, (%) | 4 (29%) | 185 (11%)
(45 missing) | 3.4 | 1.1, 10.9 | 0.03 | | CD4 percent 20%, (%) | 7 (50%) | 414 (24%)
(44 missing) | 3.2 | 1.1, 9.3 | 0.02 | | Mean/median CD4 count, cells/μL, (%) | 390.9/383.0 | 680.3/574.0 | — | — | 0.029 | | Mean/median CD4 % | 17.6/19.5 | 26.9/27.0 | — | — | 0.0016 | | History of AIDS-defining illness | 2 (18%)
(3 missing) | 364 (25%)
(335 missing) | 0.67 | 0.1, 3.1 | 0.61 |
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