Antibiotic Susceptibilites
Northern Michigan 2006

% Susceptible - Gram Positive Organisms

  Pen Amp Uns Ox P/T T/C Cfz Cfr Ctr Cfp Cip Lev Mox Gen T/S Imp Ery Azi Dox Cln Van Ntf
Enterococcus faecalis
99
99
+
-
+
+/-
-
-
-
-
67
69
+
78S
-
+
-
-
24
-
100
98
Enterococcus faecium
28
28
-
+/-
-*
-
-
-
-
37
35
+/-
84S
-
+/-
-
-
53
-
76
14
Staph aureus, meth res
0
0
0
-
-
-
0
-
0
-
34
34
70
-
98
-
6
1
100
43
100
&
Staph aureus, meth sens
6
-
99
100
+
+
100
+
95
+
85
92
97
+
100
+
68
51
97
78
100
&
Staph,
coag neg
9
+-*
45
44
+-*
+-*
44
+/-
51
+/-
52
56
69
+/-
68
+-*
38
41
83
67
100
&
Strep intermed
88
+
+
+-*
+
+
96
+
96
+
+-*
97
+
-*
72
+
83
-*
79
91
+
&
Strep pneumo
84
+
100
+
+
+
+
+
89
+
+/-
99
+
-
76
+
61
85
81
80
100
&
Strep, Grp B
100
+
+
+
+
+
100
+
100
+
+/-
97
+
-
13
+
62
+/-
37
79
+
&

% Susceptible - Gram Negative Organisms

  Amp Uns Pip P/T T/C Cfz Ctr Ctz Cfp Cip Lev Mox Gen Tob Azt T/S Imp Mer Azi Cla Dox Ntf
E coli
64
69
73
99
91
91
99
99
99
90
90
88
95
97
99
85
100
98
-
-
+
89
Enterobacter aerogenes
8
32
85
89
86
4
89
88
98
98
98
100
99
99
90
99
99
100
-
-
-
19
Enterobacter cloacae
7
26
83
85
83
5
87
87
99
98
98
93
99
98
86
96
99
100
-
-
-
33
H. influenza
66
94
77
98
+
95
+
+
97
+
+
+
+
+
76
+
+
95
100
96
&
Kebsiella oxytoca
2
75
81
99
98
65
99
99
99
98
97
100
99
99
98
95
100
100
-
-
+/-
76
Klebsiella pnemo
1
87
70
99
97
96
99
99
99
98
98
100
99
99
99
95
100
100
-
-
+/-
37
Proteus mirabilis
81
97
85
100
99
87
99
99
100
82
91
+
95
97
98
87
100
98
-*
-*
-*
0
Pseud aeruginosa
-
-
96
98
90
-
10
90
90
78
76
+
86
95
82
-
93
96
-
-
-
1
Serratia marcescens
5
7
99
100
98
0
97
98
99
94
95
+
98
93
97
99
99
97
-
-
-
0

Back to Susceptibility Table

Numeric data represent local susceptibility data.
(+) = usually effective or >60% susceptible; (+/-) = clinical trials lacking or 30-60% susceptible; (-) = not effective clinically or <30% susceptible - Adapted with permission from The Sanford Guide to Antimicrobial Therapy 2007
(*) Local (non-Sanford Guide) opinion
(S) = synergistic with penicillin/ampicillin
(&) nitrofurantoin only useful for lower tract urinary tract infections

Pen(penicillin), Amp(ampicillin), Uns(Unasyn/Augmentin), Ox(Oxacillin/Nafcillin), Pip(piperacillin), P/T(piperacillin/tazobactam), Cfz(cefazolin), Cfr(cefuroxime), Cft(ceftriaxone), Ctz(Ceftazidime), Cfp(Cefepime), Cip(ciprofloxacin), Lev(levofloxacin), Mox(moxifloxacin), Gen(gentamicin), Tob(tobramycin), Azt(aztreonam), T/S(trimethoprim/sulfamethoxazole), Imp(imipenem), Mer(meropenem), Ery(erythromycin), Azi(azithromycin), Dox(doxycycline), Cln(Clindamycin), Van(Vancomycin), Ntf(nitrofurantoin)