Volume 8, Number 5—May 2002
Research
Trends in Fluoroquinolone (Ciprofloxacin) Resistance in Enterobacteriaceae from Bacteremias, England and Wales, 1990–1999
Table 2
Distribution of reports of ciprofloxacin resistance for Enterobacteriaceae from bacteremia in hospitals, England and Wales, 1990–1999
1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | ||
---|---|---|---|---|---|---|---|---|---|---|---|
Escherichia coli | |||||||||||
No. labs reporting ciproR isolates | 25 | 29 | 39 | 40 | 57 | 52 | 58 | 68 | 94 | 89 | |
Labs contributing >10% of ciproR total (n)a | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
% of all ciproR reports from top three contributorsa | 33 | 19 | 17 | 20 | 13 | 19 | 26 | 17 | 11 | 12 | |
Klebsiella spp. | |||||||||||
No. labs reporting ciproR isolates | 23 | 48 | 38 | 42 | 42 | 47 | 42 | 36 | 57 | 50 | |
Labs contributing >10% of ciproR total (n)a | - | 0 | 1 | 0 | 0 | 1 | 2 | 2 | 1 | 0 | |
% of all ciproR reports from top three contributorsa | - | 17 | 29 | 15 | 21 | 32 | 35 | 39 | 23 | 21 | |
Enterobacter spp. | |||||||||||
No. labs reporting ciproR isolates | 10 | 19 | 36 | 27 | 37 | 30 | 35 | 33 | 39 | 58 | |
Labs contributing >10% of ciproR total (n)a | - | - | 0 | - | 0 | 2 | 2 | 0 | 0 | 0 | |
% of all ciproR reports from top three contributorsa | - | - | 28 | - | 22 | 32 | 30 | 22 | 22 | 16 | |
Proteus mirabilis | |||||||||||
No. labs reporting ciproR isolates | 2 | 2 | 1 | 6 | 12 | 6 | 3 | 6 | 12 | 20 | |
Labs contributing >10% of ciproR total (n) a | - | - | - | - | - | - | - | - | - | - | |
% of all ciproR reports from top three contributorsa | - | - | - | - | - | - | - | - | - | - |
aNot calculated if <30 resistant isolates.
Cipro, ciprofloxacin; R, resistant; labs, laboratories.