TABLE 1.
Patient and organism characteristicsa
| Characteristic | All patients (n = 34) | Patients infected with:
|
P value | |
|---|---|---|---|---|
| agr-II isolates (n = 17) | Non-agr-II isolates (n = 17) | |||
| Age (yr) | 66 ± 17 (70) | 64 ± 18 (70) | 68 ± 16 (70) | 0.605 |
| Male sex (no. [%] of patients) | 23 (68) | 11 (65) | 12 (71) | 0.714 |
| ICUb (no. [%] of patients) | 17 (50) | 10 (59) | 7 (41) | 0.303 |
| Creatinine clearance (ml/min) | 62 ± 36 (58) | 61 ± 39 (57) | 63 ± 33 (61) | 0.524 |
| No. (%) of isolates for which the vancomycin MIC was: | 0.777 | |||
| 0.5 μg/ml | 13 (38) | 6 (35) | 7 (41) | |
| 1.0 μg/ml | 7 (21) | 3 (14) | 4 (23) | |
| 2.0 μg/ml | 14 (41) | 8 (47) | 6 (35) | |
| No. of days of vancomycin therapy | 19 ± 10 (16) | 21 ± 10 (17) | 17 ± 9 (14) | 0.184 |
a
The data represent means ± standard deviations (medians), unless stated otherwise.
b
ICU, the patient was in an intensive care unit at the time of onset of the infection.