Table 1.
Frequency of ciprofloxacin and 8-methoxyfluoroquinolone resistance rates for MSSE, MRSE, and all S. epidermidis isolates from 2005 to 2010 at BPEIa
| Yr | No. of isolates per yr |
Resistance rate (%) among: |
||||||
|---|---|---|---|---|---|---|---|---|
| MSSE (n = 38) |
MRSE (n = 55) |
All S. epidermidis (n = 93) |
||||||
| MSSE | MRSE | CIP-R | 8-FQ-R | CIP-R | 8-FQ-R | CIP-R | 8-FQ-R | |
| 2005 | 8 | 4 | 37.5 | 28.6 | 100 | 100 | 58.3 | 54.5 |
| 2006 | 9 | 16 | 33.3 | 25.0 | 68.8 | 60.0 | 56.0 | 45.8 |
| 2007 | 6 | 7 | 66.7 | 66.7 | 100 | 85.7 | 84.6 | 76.9 |
| 2008 | 4 | 9 | 50.0 | 50.0 | 55.6 | 55.6 | 53.8 | 53.8 |
| 2009 | 10 | 7 | 80.0 | 62.5 | 71.4 | 57.1 | 76.5 | 60.0 |
| 2010 | 1 | 12 | 0b | 0b | 83.3 | 75.0 | 76.9 | 69.2 |
| All yrs | 38 | 55 | 52.6 | 39.5 | 76.4 | 60.0 | 66.7 | 58.4 |
a
Abbreviations: BPEI, Bascom Palmer Eye Institute; 8-FQ-R, resistant to both moxifloxacin and gatifloxacin; CIP-R, resistant to ciprofloxacin.
b
Only one MSSE isolate was recovered in 2010.