Division of Epidemiology, Environmental and Occupational Health
Epidemiology Surveillance System
1998 Report

Exhibit 15 :
Drug Resistant Profile in Penicillin-Resistant Streptococci Blood Isolates,
1992-1998

 
Year
1992
 
1993
 
1994
 
1995
 
1996
 
1997
 
1998
 
Antibiotic
Organism
%R
n
%R
n
%R
n
%R
n
%R
n
%R
n
%R
n
Ampicilin
Strep. pneumoniae
60.00%
5
53.85%
13
58.33%
12
87.50%
8
100.00%
2
100.00%
11
100.00%
6
 
Viridans Streptococci
72.73%
11
100.00%
6
85.71%
7
-
-
62.50%
8
77.78%
9
80.00%
10
Oxacillin/Methicillin
Strep. pneumoniae
100.00%
11
100.00%
9
100.00%
13
100.00%
12
100.00%
11
100.00%
11
66.67%
3
/Nafcillin
Viridans Streptococci
100.00%
5
100.00%
2
66.67%
6
100.00%
1
100.00%
7
0.00%
2
0.00%
1
 
Viridans Streptococci
20.00%
5
25.00%
4
33.33%
3
33.33%
3
0.00%
4
16.67%
6
0.00%
5
Cefazolin
Strep
pneumoniae
0.00%
6
0.00%
10
3.85%
26
9.09%
11
16.67%
6
0.00%
10
0.00%
5
Cefotaxime
Strep. pneumoniae
0.00%
2
0.00%
6
0.00%
8
29.41%
17
15.38%
13
25.00%
8
20.00%
15
 
Viridans Streptococci
0.00%
3
50.00%
2
0.00%
1
-
-
0.00%
1
54.55%
11
55.56%
9
Ceftriaxone
Strep. pneumoniae
0.00%
1
0.00%
3
0.00%
10
14.29%
21
7.14%
28
19.51%
41
10.42%
48
 
Viridans Streptococci
0.00%
2
0.00%
3
0.00%
2
0.00%
2
33.33%
3
53.85%
13
50.00%
8
Gentamicin
Strep. pneumoniae
100.00%
5
80.00%
10
58.82%
17
71.43%
7
-
-
75.00%
8
66.67%
3
 
Viridans Streptococci
30.00%
10
50.00%
2
20.00%
5
-
-
40.00%
5
0.00%
2
0.00%
5
Erythromycin
Strep. pneumoniae
12.50%
16
0.00%
18
8.11%
37
18.18%
55
28.57%
35
28.57%
42
40.82%
49
 
Viridans Streptococci
18.18%
11
62.50%
8
37.50%
8
40.00%
5
25.00%
8
55.56%
18
71.43%
14
Ciprofloxacin
Strep. pneumoniae
0.00%
4
0.00%
11
0.00%
11
0.00%
5
0.00%
8
16.67%
6
0.00%
4
 
Viridans Streptococci
0.00%
7
0.00%
3
0.00%
4
0.00%
1
25.00%
8
50.00%
2
20.00%
5
Chloramphenicol
Strep. pneumoniae
0.00%
11
0.00%
12
0.00%
25
21.62%
37
19.44%
36
22.58%
31
10.00%
40
 
Viridans Streptococci
0.00%
3
0.00%
4
-
-
0.00%
1
0.00%
3
0.00%
13
25.00%
8
Clindamycin
Strep. pneumoniae
0.00%
5
0.00%
3
0.00%
9
0.00%
8
14.29%
7
28.57%
7
25.00%
16
 
Viridans Streptococci
0.00%
1
40.00%
5
33.33%
3
0.00%
1
20.00%
5
10.00%
10
33.33%
9
Tetracycline
Strep. pneumoniae
0.00%
13
0.00%
12
0.00%
24
24.00%
25
22.73%
22
39.29%
28
28.57%
35
 
Viridans Streptococci
28.57%
7
37.50%
8
0.00%
5
0.00%
4
16.67%
6
23.53%
17
42.86%
14
Trimethoprim
Strep. pneumoniae
50.00%
4
0.00%
2
66.67%
3
54.55%
11
76.47%
17
75.00%
12
64.52%
31
/Sulfamethoxazole
Viridans Streptococci
25.00%
4
-
-
50.00%
2
0.00%
1
33.33%
6
0.00%
2
40.00%
5
Vancomycin
Strep. pneumoniae
0.00%
12
0.00%
18
0.00%
44
0.00%
70
1.59%
63
0.00%
67
0.00%
66
 
Viridans Streptococci
25.00%
4
0.00%
2
0.00%
4
0.00%
2
25.00%
8
0.00%
14
0.00%
13
n = Number of isolates tested for the specific antibiotic.                

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