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Volume 5, Number 6—December 1999
Synopsis

Antimicrobial Resistance with Streptococcus pneumoniae in the United States, 1997–98

Gary V. DoernComments to Author , Angela B. Brueggemann, Holly Huynh, Elizabeth Wingert, and Paul Rhomberg
Author affiliations: University of Iowa College of Medicine, Iowa City, Iowa, USA

Main Article

Table 6

Resistance rate comparison of selected antimicrobial drugs for 24 medical centers, by study period

Penicillin
Ceftriaxone
Erythromycin
Tetracycline
Chloramphenicol
TMP/SMX
Medical center No. of isolates Study period % I % R % I % R % I % R % I % R % I % R % I % R
Children’s Hospital & Medical Center, Seattle, WA 37 1994-95 21.6 13.5 8.1 8.1 0.0 5.4 0.0 18.9 -- 8.1 10.8 37.8
50 1997-98 26.0 12.0 10.0 8.0 0.0 30.0a 0.0 24.0 -- 10.0 8.0 34.0
Denver Health, Denver, CO 62 1994-95 11.3 3.2 1.6 0.0 0.0 3.2 0.0 3.2 -- 0.0 6.5 9.7
26 1997-98 7.7 7.7 11.5 0.0 0.0 7.7 0.0 11.5 -- 11.5a 3.8 15.4
Good Samaritan Medical Center, Phoenix, AZ 57 1994-95 21.1 19.3 21.1 7.0 0.0 12.3 0.0 14.0 -- 5.3 10.5 19.3
54 1997-98 11.1 29.6 24.1 11.1 0.0 35.2a 0.0 20.4 -- 5.6 11.1 38.9
Texas Children’s Hospital, Houston, TX 63 1994-95 9.5 15.9 9.5 6.3 0.0 22.2 0.0 9.5 -- 7.9 7.9 30.2
48 1997-98 39.6 25.0a 25.0 10.4a 0.0 43.8a 2.1 22.9 a -- 14.6 20.8 41.7
Parkland Health & Hospital System, Dallas, TX 58 1994-95 8.6 13.8 8.6 5.2 0.0 6.9 0.0 5.2 -- 5.2 15.5 12.1
36 1997-98 19.4 11.1 11.1 2.8 0.0 27.8a 0.0 22.2 a -- 11.1 16.7 22.2
Mayo Clinic, Rochester, MN 35 1994-95 2.9 11.4 5.7 5.7 0.0 8.6 2.9 8.6 -- 5.7 8.6 22.9
48 1997-98 16.7 6.3 6.3 4.2 0.0 20.8 2.1 10.4 -- 6.3 10.4 16.7
Children’s Hospital, Milwaukee, WI 65 1994-95 20.0 13.8 6.2 6.2 0.0 18.5 0.0 6.2 -- 7.7 6.2 29.2
55 1997-98 12.7 7.3 7.3 3.6 0.0 10.9 1.8 5.5 -- 3.6 12.7 14.5
Evanston Hospital, Evanston, IL 49 1994-95 10.2 4.1 6.1 2.0 0.0 8.2 0.0 4.1 -- 4.1 4.1 16.3
35 1997-98 11.4 2.9 2.9 0.0 0.0 14.3 0.0 5.7 -- 0.0 5.7 8.6
Rush-Presbyterian St. Luke’s Medical Center, Chicago, IL 41 1994-95 19.5 14.6 4.9 14.6 0.0 17.1 0.0 7.3 -- 12.2 9.8 29.3
41 1997-98 14.6 4.9 4.9 2.4 0.0 19.5 0.0 17.1 -- 7.3 2.4 19.5
Clarian Health Methodist Hospital, Indianapolis, IN 63 1994-95 17.5 3.2 6.3 1.6 0.0 7.9 0.0 3.2 -- 1.6 14.3 14.3
55 1997-98 18.2 7.3 3.6 0.0 1.8 16.4 0.0 7.3 -- 3.6 10.9 12.7
Washington University, St. Louis, MO 57 1994-95 19.6 5.4 8.8 3.5 0.0 8.9 0.0 7.1 -- 5.4 7.1 12.5
55 1997-98 12.7 16.4 14.5 3.6 0.0 12.7 0.0 9.1 -- 5.5 18.2 12.7
Henry Ford Health System, Detroit, MI 63 1994-95 17.5 1.6 1.6 4.8 0.0 6.3 0.0 4.8 -- 3.2 7.9 12.7
60 1997-98 21.7 8.3 10.0 3.3 0.0 10.0 0.0 8.3 -- 6.7 15.0 10.0
The Cleveland Clinic Foundation, Cleveland, OH 42 1994-95 4.8 14.3 4.8 9.5 0.0 11.9 0.0 9.5 -- 7.1 11.9 26.2
60 1997-98 10.0 13.3 11.7 3.3 0.0 20.0 1.7 10.0 -- 6.7 11.7 15.0
Temple University Hospital, Philadelphia, PA 47 1994-95 2.1 0.0 2.1 0.0 0.0 2.1 0.0 0.0 -- 0.0 4.3 4.3
42 1997-98 7.1 14.3a 4.8 9.5a 2.4 9.5 0.0 7.1 -- 4.8 2.4 9.5
Geisinger Medical Center, Danville, PA 57 1994-95 10.5 10.5 5.3 5.3 0.0 5.3 1.8 8.8 -- 7.0 5.3 10.5
49 1997-98 30.6 8.2a 12.2 0.0 0.0 20.4a 0.0 20.4 -- 12.2 10.2 14.3
SUNY Health Science Center, Syracuse, NY 23 1994-95 8.7 0.0 0.0 0.0 0.0 8.7 0.0 4.3 -- 0.0 4.3 4.3
50 1997-98 12.0 8.0 8.0 2.0 0.0 8.0 0.0 8.0 -- 6.0 12.0 8.0
University of Rochester Medical Ctr., Rochester, NY 58 1994-95 5.2 5.2 5.2 1.7 0.0 6.9 0.0 10.3 -- 5.2 5.2 13.8
50 1997-98 10.0 10.0 10.0 2.0 2.0 10.0 0.0 8.0 -- 6.0 8.0 14.0
Columbia Presbyterian Medical Center, New York, NY 64 1994-95 6.3 6.3 4.7 4.7 0.0 4.7 0.0 3.1 -- 0.0 10.9 10.9
53 1997-98 18.9 1.9 3.8 0.0 0.0 3.8 0.0 7.5 -- 5.7 5.7 7.5
Hartford Hospital, Hartford, CT 61 1994-95 3.31 4.9 1.6 4.9 0.0 3.3 0.0 0.0 -- 0.0 0 8.2
51 1997-98 17.6 9.8a 9.8 0.0 2.0 5.9 0.0 7.8 a -- 2.0 11.8 17.6
Children’s Hospital, Washington, DC 60 1994-95 16.7 6.7 5.0 3.3 0.0 13.3 0.0 3.3 -- 0.0 6.7 15.0
28 1997-98 17.9 17.9 21.4 0.0 0.0 28.6 0.0 17.9 a -- 3.6 7.1 28.6
University of North Carolina Hospital, Chapel Hill, NC 60 1994-95 21.7 10.0 8.3 3.3 0.0 10.0 0.0 8.3 -- 6.7 16.7 25.0
49 1997-98 22.4 34.7a 26.5 14.3a 2.0 36.7a 0.0 20.4 -- 16.3 16.3 46.9a
Dekalb Medical Center, Decatur, GA 61 1994-95 16.4 19.7 13.1 13.1 0.0 23.0 0.0 11.5 -- 9.8 1.6 27.9
52 1997-98 32.7 11.5 11.5 1.9 0.0 26.9 0.0 17.3 -- 7.7 3.8 28.8
University of South Alabama, Mobile, AL 68 1994-95 13.2 7.4 5.9 2.9 1.5 14.7 0.0 4.4 -- 0.0 2.9 25.0
58 1997-98 17.2 24.1a 17.2 6.9a 0.0 37.9a 0.0 13.8 -- 13.88 12.1 39.7a
Mount Sinai Medical Center, Miami Beach, FL 17 1994-95 29.4 23.5 5.9 17.6 0.0 5.9 0.0 17.6 -- 11.8 23.5 23.5
27 1997-98 18.5 33.3 25.9 22.2 0.0 29.6 0.0 29.6 -- 25.9 7.4 48.1

aStatistically significant change in resistance rates (I + R) from 1994-95 to 1997-98; p value:50.05.
I, intermediate; R, resistant; TMP/SMX, trimethoprim/sulfamethoxazole.

Main Article

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