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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 3

Recovery of Streptococcus pneumoniae strains with intermediate and high levels of resistance, by specimen source and patient characteristics

Characteristic Total no. of isolates No. (%) of resistant isolates for the following antimicrobial drugs
Penicillin
Ceftriaxone
Erythromycin
Tetracycline
TMP/SMX Chloramphenicol
I R I R I R I R I R I R
Specimen sourcea
LRT 773 144 103 91 36 5 152 1 116 89 149 -- 67
(18.6) (13.3) (11.8) (4.7) (0.6) (20.9) (0.1) (15.0) (11.5) (19.3) (8.7)
Blood 509 68 41 35 16 1 59 2 33 40 87 -- 17
(13.4) (8.1) (6.9) (3.1) (0.2) (11.6) (0.4) (6.5) (7.9) (17.1) (3.3)
URT 238 50 48 44 11 0 77 2 53 28 74 -- 28
(21.0) (20.2) (18.5) (4.6) (0.0) (32.4) (0.8) (22.3) (11.8) (31.1) (11.8)
BF/CSF 60 12 3 4 1 0 9 0 3 1 13 -- 2
(20.0) (5.0) (6.7) (1.7) (0.0) (15.0) (0.0) (5.0) (1.7) (21.7) (3.3)
Other 21 4 1 1 0 0 5 0 1 2 3) -- 1
(19.0) (4.8) (4.8) (0.0) (0.0) (23.8) (0.0) (4.8) (9.5) (14.3) (4.8)
Age group (years)
<5 432 88 79 72 23 1 115 3 71 62 128 -- 42
(20.4) (18.3) (16.7) (5.3) (0.2) (26.6) (0.7) (16.4) (14.4) (29.6) (9.7)
6-20 97 14 6 6 1 0 12 0 11 11 14 -- 4
(14.4) (6.2) (6.2) (1.0) (0.0) (12.4) (0.0) (11.3) (11.3) (14.4) (4.1)
21-50 407 76 42 39 18 2 71 0 56 32 80 -- 22
(18.7) (10.6) (9.6) (4.4) (0.5) (17.4) (0.0) (13.8) (7.9) (19.7) (5.4)
>50 652 96 68 57 22 3 102 2 66 65 102 -- 46
(14.7) (10.4) (8.7) (3.4) (0.5) (15.6) (0.3) (10.1) (10.0) (15.6) (7.1)
Service
Inpatient 969 172 111 104 37 3 171 3 107 85 192 -- 61
(17.8) (11.5) (10.7) (3.8) (0.3) (17.6) (0.3) (11.0) (8.8) (19.8) (6.3)
Outpatient 628 106 85 71 27 3 131 2 99 86 134 -- 54
(16.9) (13.5) (11.3) (4.3) (0.3) (20.9) (0.3) (15.8) (13.7) (21.3) (8.6)

aBF/CSF, body fluids/cerebrospinal fluid; LRT, lower respiratory tract; URT = upper respiratory tract.
TMP/SMX, trimethoprim/sulfamethoxazole.

Main Article

Page created: December 15, 2010
Page updated: December 15, 2010
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