Table 2.
Fluoroquinolone (FQ) exposure characteristics by resistance or susceptibility to FQs
| FQ exposure variable | FQ-susceptible (N = 50) [n (%)] | FQ-resistant (N = 25) [n (%)] | P-value |
|---|---|---|---|
| Any FQ exposure | 24 (48) | 16 (64) | 0.2 |
| Any exposure to specific FQs | |||
| Older FQs a | 11 (22) | 4 (16) | 0.5 |
| Ofloxacin | 1 (2) | 0 (0) | 0.5 |
| Ciprofloxacin | 10 (20) | 4 (16) | 0.7 |
| Newer FQs b | 17 (34) | 14 (56) | 0.07 |
| Levofloxacin | 14 (28) | 11 (44) | 0.2 |
| Moxifloxacin | 4 (8) | 4 (16) | 0.3 |
| Gatifloxacin | 1 (2) | 1 (4) | 0.6 |
| Exposure to older versus newer | 0.3 | ||
| Exposure only to older FQsa | 7 (14) | 2 (8) | |
| Exposure only to newer FQsb | 13 (26) | 12 (48) | |
| Exposure to older and newer FQsa,b | 4 (8) | 2 (8) | |
| FQ unexposed | 26 (52) | 9 (36) | |
a
Older FQs include ofloxacin and ciprofloxacin.
b
Newer FQs include levofloxacin, moxifloxacin and gatifloxacin.