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Volume 6, Number 5—October 2000
Dispatch

Antimicrobial-Drug Use and Changes in Resistance in Streptococcus pneumoniae

Daniel J. DiekemaComments to Author , Angela B. Brueggemann, and Gary V. Doern
Author affiliations: University of Iowa College of Medicine, Iowa City, Iowa

Main Article

Table 1

Change in resistancea among Streptococcus pneumoniae isolates at 23 U.S. medical centers, 1994-95 and 1997-98

Medical center No. of isolates Study period Erythromycin Change (%) Penicillin
I + Rb Change
(%)
Seattle, WA 37 1994-95 5.4 35.1
50 1997-98 30.0 24.6 38.0 2.9
Denver, CO 62 1994-95 3.2 14.5
26 1997-98 7.7 4.5 15.4 0.9
Phoenix, AZ 57 1994-95 12.3 40.4
54 1997-98 35.2 22.9 40.7 0.3
Houston, TX 63 1994-95 22.2 25.4
48 1997-98 43.8 21.6 64.6 39.2
Dallas, TX 58 1994-95 6.9 22.4
36 1997-98 27.8 20.9 30.5 8.1
Rochester, MN 35 1994-95 8.6 14.2
48 1997-98 20.8 12.2 22.9 8.7
Milwaukee, WI 65 1994-95 18.5 33.8
55 1997-98 10.9 -7.6 20.0 -13.8
Evanston, IL 49 1994-95 8.2 14.3
35 1997-98 14.3 6.1 14.3 0.0
Chicago, IL 41 1994-95 17.1 34.1
41 1997-98 19.5 2.4 19.5 -14.6
Indianapolis, IN 63 1994-95 7.9 20.7
55 1997-98 18.2 10.3 25.5 4.8
St. Louis, MO 57 1994-95 8.9 24.6
55 1997-98 12.7 3.8 29.1 4.5
Detroit, MI 63 1994-95 6.3 19.0
60 1997-98 10.0 3.7 30.0 11.9
Cleveland, OH 42 1994-95 11.9 19.0
60 1997-98 20.0 8.1 23.2 4.2
Philadelphia, PA 47 1994-95 2.1 2.1
42 1997-98 11.9 9.8 21.4 19.3
Syracuse, NY 23 1994-95 8.7 8.7
50 1997-98 8.0 -0.7 20.0 11.3
Rochester, NY 58 1994-95 6.9 10.4
50 1997-98 12.0 5.1 20.0 9.6
New York, NY 64 1994-95 4.7 12.6
53 1997-98 3.8 -0.9 20.8 8.2
Hartford, CT 61 1994-95 3.3 8.2
51 1997-98 7.8 4.5 27.4 19.2
Washington, DC 60 1994-95 13.3 23.3
28 1997-98 28.6 15.3 35.7 12.4
Chapel Hill, NC 60 1994-95 10.0 31.7
49 1997-98 38.8 28.8 57.1 25.4
Decatur, GA 61 1994-95 23.0 36.1
52 1997-98 26.9 3.9 44.2 8.1
Mobile, AL 68 1994-95 16.2 20.6
58 1997-98 37.9 21.7 41.3 20.7
Miami, FL 17 1994-95 5.9 52.9
27 1997-98 29.6 23.7 51.8 -1.1
TOTAL 1,211 1994-95 10.2 22.2
1,083 1997-98 20.6 10.4 31.1 8.9

aIncludes both intermediate- and high-level resistance to penicillin and erythromycin.
bI + R = both intermediate and fully resistant.

Main Article

Page created: December 17, 2010
Page updated: December 17, 2010
Page reviewed: December 17, 2010
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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