Table 2 Characteristics and risk factors for the patients enrolled in this study, stratified by the presence or absence of MRSA
| Â | No MRSA (N = 77) | MRSA (N = 105) | Total (N = 182) | |||
|---|---|---|---|---|---|---|
Age | 44.0 | (15.2) | 35.7 | (11.6) | 39.2 | (13.8) |
African American | 31 | (40.3) | 48 | (45.7) | 79 | (43.4) |
Caucasian | 46 | (59.7) | 57 | (54.3) | 103 | (56.6) |
Hispanic | 1 | (1.3) | 4 | (3.8) | 5 | (2.7) |
Female | 29 | (37.7) | 43 | (41.0) | 72 | (39.6) |
Male | 48 | (62.3) | 62 | (59.0) | 110 | (60.4) |
BMI | 30.5 | (11.1) | 27.1 | (6.1) | 28.6 | (8.7) |
Sociodemographic risk factors | Â | Â | Â | Â | Â | Â |
   Homeless currently or in the past year | 5 | (6.5) | 16 | (15.2) | 21 | (11.5) |
   Live in a group home currently or in past year | 3 | (3.9) | 13 | (12.4) | 16 | (8.8) |
   Live in a nursing home currently | 3 | (3.9) | 1 | (1.0) | 4 | (2.2) |
   Prison resident currently or in past year | 14 | (18.2) | 17 | (16.2) | 31 | (17.0) |
   Participate in group sports in past year | 14 | (18.2) | 23 | (21.9) | 37 | (20.3) |
   Used IV drugs in past year | 4 | (5.2) | 7 | (6.7) | 11 | (6.0) |
   How many sex partners in past month | 0.6 | (0.7) | 1.4 | (2.7) | 1.1 | (2.1) |
   Healthcare worker currently or in past year | 3 | (3.9) | 10 | (9.5) | 13 | (7.1) |
Sexuality | Â | Â | Â | Â | Â | Â |
Lesbian | 1 | (1.3) | 0 | (0.0) | 1 | (0.6) |
Homosexual | 2 | (2.6) | 3 | (2.9) | 5 | (2.8) |
Heterosexual | 74 | (96.1) | 97 | (93.3) | 171 | (94.5) |
Bisexual | 0 | (0.0) | 4 | (3.8) | 4 | (2.2) |
Medical risk factors | Â | Â | Â | Â | Â | Â |
   Abscess, boil, spider bite or other requiring physician in past year | 19 | (24.7) | 36 | (34.3) | 55 | (30.2) |
   Diabetes | 16 | (20.8) | 12 | (11.4) | 28 | (15.4) |
   Antibiotics currently or in past year | 33 | (42.9) | 48 | (45.7) | 81 | (44.5) |
   Immunosuppressed | 6 | (7.8) | 3 | (2.9) | 9 | (4.9) |
   Inpatient in the past year | 24 | (32.9) | 23 | (23.5) | 47 | (27.5) |
Either been or been in contact with: | Â | Â | Â | Â | Â | Â |
   Homeless currently or in the past year | 19 | (24.7) | 33 | (31.4) | 52 | (28.6) |
   Live in a group home currently or in past year | 14 | (18.2) | 27 | (25.7) | 41 | (22.5) |
   Prison resident currently or in past year | 21 | (27.3) | 45 | (42.9) | 66 | (36.3) |
   Used IV drugs in past year | 6 | (7.8) | 14 | (13.3) | 20 | (11.0) |
   Healthcare worker currently or in past year | 26 | (33.8) | 26 | (24.8) | 52 | (28.6) |
   Diabetes | 37 | (48.1) | 47 | (44.8) | 84 | (46.2) |
   Abscess, boil, spider bite or other requiring physician in past year | 26 | (33.8) | 48 | (45.7) | 74 | (40.7) |
Infection | Â | Â | Â | Â | Â | Â |
   Abscess | 54 | (70.1) | 96 | (91.4) | 150 | (82.4) |
   Cellulitis | 32 | (41.6) | 52 | (49.5) | 84 | (46.2) |
   Infection on scalp or neck | 4 | (5.20 | 8 | (7.6) | 12 | (6.6) |
   Infection on face | 10 | (13.0) | 9 | (8.6) | 19 | (10.4) |
   Infection on trunk | 16 | (20.8) | 26 | (24.8) | 42 | (23.1) |
   Infection on pelvis | 12 | (15.6) | 21 | (20.0) | 33 | (18.1) |
   Infection on Extremity | 38 | (49.4) | 56 | (53.3) | 94 | (51.6) |
   Number of infections | 1.6 | (3.0) | 2.4 | (3.6) | 2.1 | (3.3) |
   Spontaneous infection | 43 | (55.8) | 80 | (76.2) | 123 | (67.6) |