TABLE 1.
Frequencies of amoxicillin-clavulanate (AMC)-resistant E. coli isolates by patient and hospital characteristics
| Parameter | No. (%) of AMC-resistant E. coli isolates
|
||
|---|---|---|---|
| 1996 | 1997 | 1998 | |
| Children | 6 (3.8) | 5 (3.0) | 9 (5.1) |
| Adults | 78 (5.5) | 75 (5.7) | 66 (4.6) |
| Outpatients | 7 (2.5)a | 7 (2.7)a | 10 (3.4) |
| Inpatients | 81 (6.1)a | 73 (6.0)a | 65 (5.0) |
| Teaching hospitals | 42 (5.6) | 43 (5.5) | 45 (6.0) |
| Nonteaching hospitals | 46 (5.3) | 37 (5.3) | 30 (3.5) |
a
Significant difference between the frequencies of AMC-resistant E. coli isolated in outpatients and inpatients in 1996 (P = 0.01) and 1997 (P = 0.03).