TABLE 1.
Demographic and Clinical Characteristics of Patients with Staphylococcus aureus Skin and Soft-Tissue Infection (SSTI)
| Variable | MRSA SSTI (n = 290) |
MRSA SSTI (n = 218) |
P |
|---|---|---|---|
| Race/ethnicitya | 114 | 92 | |
| White, non-Hispanic | 91 (80) | 77 (84) | .58 |
| Hispanic | 12 (11) | 10 (11) | |
| Black, non-Hispanic | 7 (6) | 2 (2) | |
| Other, non-Hispanic | 4 (4) | 3 (3) | |
| Age, median (range), years | 19 (17–37) | 19 (17–33) | .19 |
| Study group assignment | |||
| Standard | 74 (26) | 43 (20) | .12 |
| Enhanced standard | 129 (45) | 81 (37) | .10 |
| Chlorhexidine | 87 (30) | 94 (43) | <.01 |
| Clinical infection | |||
| Abscess | 141 (49) | 65 (30) | <.01 |
| Cellulitis | 61 (21) | 65 (30) | .02 |
| More than 1 infection | 74 (26) | 44 (20) | .16 |
| Folliculitis | 9 (3) | 7 (3) | .95 |
| Infected blister | 4 (1) | 17 (8) | <.01 |
| Impetigo | 1 (0.3) | 9 (4) | <.01 |
| Paronychia | 0 (0.0) | 11 (5) | <.01 |
| Site of infection | |||
| Lower extremity | 143 (49) | 148 (68) | <.01 |
| Upper extremity | 93 (32) | 47 (22) | <.01 |
| More than 1 site | 17 (6) | 10 (5) | .53 |
| Head | 15 (5) | 6 (3) | .18 |
| Thorax | 13 (5) | 2 (1) | .03 |
| Groin/inguinal/perineal | 9 (3) | 5 (2) | .58 |
| Time from training start to S. aureus SSTI, mean (range), days | 46 (3–101) | 44 (1–96) | .43 |
NOTE. Data are no. (%) of participants, unless otherwise indicated. MRSA, methicillin-resistant S. aureus; MSSA, methicillin-susceptible S. aureus.
a
Race and ethnicity data were not collected for all participants.