Table 1.
Characteristics of Participants with and without MRSA Infections in the LEGACY Study, 2006.
| Characteristic | MRSA cases (N = 14) |
Non-MRSA cases (N = 1,799) |
Odds ratio | 95% CI | P value |
|---|---|---|---|---|---|
| Female, n (%) | 8 (57%) | 989 (55%) | 1.1 | 0.4, 3.2 | 0.87 |
| Non-Hispanic black, n (%) | 14 (100% ) | 1237 (69%) | 1.5 | 1.4, 1.5 | 0.012 |
| Behavioral risk factor for HIV acquisition, n (%) | 6 (43%) | 310 (17%) (7 missing) |
3.6 | 1.2, 10.4 | 0.012 |
| Viral load >1000 copies/mL, n (%) | 12 (86%) | 910 (51%) (16 missing) |
5.8 | 1.3, 25.8 | 0.01 |
| Not receiving HAART, n (%) | 8 (57%) | 980 (54%) | 1.1 | 0.4, 3.2 | 0.85 |
| ANC1 <1500, cells/μL, n (%) | 3 (30%) (4 missing) |
464 (27%) (97 missing) |
1.1 | 0.3, 4.5 | 0.84 |
| Care site, n (%) | 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, n (%) | 2 (14%) | 236 (13%) | 1.1 | 0.2, 5.0 | 0.9 |
| Age ≥15 yrs, n (%) | 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, n (%) | 4 (29%) | 185 (11%) (45 missing) |
3.4 | 1.1, 10.9 | 0.03 |
| CD4 percent <20%, n(%) | 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 |
1ANC: absolute neutrophil count.
2Comparing Maryland versus all others.
MRSA: methicillin-resistant Staphylococcus aureus.