Volume 8, Number 5—May 2002
Research
Trends in Fluoroquinolone (Ciprofloxacin) Resistance in Enterobacteriaceae from Bacteremias, England and Wales, 1990–1999
Table 1
Ciprofloxacin-resistant Enterobacteriaceae reported from bacteremias, England and Wales, 1990–1999
1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | ||
---|---|---|---|---|---|---|---|---|---|---|---|
Escherichia coli | |||||||||||
Total no. reports | 7,610 | 7,377 | 7,849 | 7,872 | 8,274 | 8,465 | 9,155 | 10,143 | 11,248 | 11,573 | |
No. with cipro. results | 4,171 | 4,456 | 5,036 | 5,071 | 5,136 | 5,143 | 4,559 | 3,706 | 6,282 | 6,708 | |
No. reported ciproR | 33 | 32 | 47 | 65 | 88 | 108 | 119 | 144 | 244 | 246 | |
Klebsiella spp. | |||||||||||
Total no. reports | 1,544 | 1,634 | 1,710 | 1,725 | 1,791 | 1957 | 2,143 | 2,383 | 2,816 | 2,802 | |
No. with cipro. results | 821 | 1,082 | 1,124 | 1,141 | 1,173 | 1,256 | 1,137 | 900 | 1,551 | 1,578 | |
No. reported ciproR | 29 | 48 | 55 | 77 | 77 | 115 | 108 | 80 | 125 | 112 | |
Enterobacter spp. | |||||||||||
Total no. reports | 895 | 912 | 1013 | 948 | 1,118 | 1,089 | 1,229 | 1,480 | 1,638 | 1,629 | |
No. with cipro. results | 582 | 636 | 743 | 759 | 815 | 723 | 617 | 534 | 908 | 949 | |
No. reported ciproR | 12 | 26 | 36 | 29 | 54 | 65 | 65 | 55 | 72 | 103 | |
Proteus mirabilis | |||||||||||
Total no. reports | 868 | 898 | 911 | 925 | 984 | 942 | 1244 | 1,131 | 1,241 | 1,145 | |
No. with cipro. results | 454 | 578 | 560 | 573 | 635 | 673 | 578 | 447 | 715 | 658 | |
No. reported ciproR | 2 | 3 | 1 | 7 | 14 | 7 | 4 | 5 | 14 | 22 | |
No. of other organisms | 19,866 | 20,458 | 21,335 | 22,968 | 23,559 | 24,545 | 27,908 | 31,258 | 34,517 | 34,216 | |
Total bacteremia reports | 30,783 | 31,279 | 32,838 | 34,438 | 35,726 | 36,948 | 41,679 | 46,395 | 51,100 | 51,365 |
Cipro, ciprofloxacin; R, resistant.