Age, yr, mean ± SD | 63 ± 28 |
|
Sex |
Male | 332 (65) |
Female | 178 (35) |
|
Screening result for MRSA |
Positive | 53 (10) |
Negative | 457 (90) |
|
Methicillin resistance of S. aureus clinical isolates |
Resistant | 79 (15) |
Susceptible | 431 (85) |
|
Admission category |
Medical | 240 (47) |
Surgical | 270 (53) |
|
Admitted to intensive care unit† | 207 (41) |
|
Swab and isolate collection done on same admission | 429 (84) |
|
Clinical cultures obtained from specific site‡ |
Sterile | 109 (21) |
Blood | 62 (12) |
Fluid | 21 (4) |
Tissue biopsy | 26 (5) |
Nonsterile | 401 (79) |
Lower respiratory | 156 (31) |
Urine | 45 (9) |
Swab/miscellaneous | 200 (39) |
|
Time between swab and isolate collection |
Immediate (< 48 h) | 149 (29) |
Recent (48 h to 14 d) | 233 (46) |
Remote (> 14 d) | 128 (25) |
|
Time from admission to isolate collection, d, mean (IQR) | 15 (10–20) |
|
Time from swab to isolate collection, d, mean ± SD | 18 ± 14 |
|
Antibiotic treatment between swab and isolate collection | 307 (60) |