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Table 1 Antibiotic sensitivity testing results

From: High prevalence of multidrug resistant Enterobacteriaceae isolated from outpatient urine samples but not the hospital environment in Bo, Sierra Leone

ID

Identificationa

Disk diffusionb

E-test

ESBLc

ATM

CAZ

CIP

IMP

TGC

C

D

G

GM

K

SAM

IMP

Phenotype

CTX-M

Clinical isolates

SL122

Citrobacter freundii

R

R

R

S

S

R

R

R

R

R

R

0.250

YES

YES

SL124

R

I

R

S

S

R

R

R

R

R

R

0.380

YES

YES

SL127

R

I

R

S

I

R

R

R

R

R

R

0.380

YES

YES

SL129

S

I

R

S

I

R

R

R

R

I

R

0.190

N/D

NO

SL150

R

R

R

S

I

I

R

R

R

R

R

0.190

YES

YES

SL151

R

I

R

S

S

R

R

R

R

I

R

0.380

YES

YES

SL153

R

R

R

I

I

R

R

R

R

I

R

0.250

YES

YES

SL154

R

R

R

I

S

R

R

R

R

I

R

0.190

N/D

NO

SL155

R

R

R

S

S

R

R

R

R

I

R

0.250

N/D

NO

SL156

R

R

R

I

I

R

I

R

R

R

R

0.250

YES

YES

SL157

R

R

R

S

I

R

I

R

R

R

R

0.250

YES

YES

SL170

R

I

R

S

S

R

R

R

R

I

R

0.750

YES

YES

SL172

R

R

R

S

S

S

R

R

R

R

I

0.190

YES

YES

SL173

R

R

R

I

S

R

R

R

R

I

R

0.380

YES

YES

SL177

R

R

R

S

S

R

R

R

R

I

R

0.250

YES

YES

SL187

R

I

R

S

S

S

I

R

R

I

I

0.250

YES

YES

SL193

R

I

R

S

S

R

I

R

R

S

R

0.250

YES

YES

SL194

R

R

R

S

S

R

R

R

R

I

R

0.380

N/D

NO

SL197

R

R

R

S

S

S

I

R

R

I

I

0.250

YES

YES

SL200

R

R

R

S

I

S

R

R

R

R

R

0.190

YES

YES

SL202

R

R

R

S

I

S

R

R

R

R

R

0.190

YES

YES

SL205

R

R

R

I

I

S

R

R

R

R

I

0.190

YES

YES

SL160

Enterobacter cloacae

S

S

S

S

S

S

S

R

S

S

S

0.380

NO

NO

SL161

R

R

I

I

I

R

S

R

R

R

R

0.250

YES

YES

SL167

I

I

I

S

S

R

I

R

R

I

R

0.380

YES

YES

SL168

R

R

I

I

S

R

I

R

R

I

R

2.000

YES

YES

SL174

R

I

I

S

S

R

I

R

R

R

I

0.380

YES

YES

SL175

I

I

S

S

S

R

S

R

R

R

R

0.250

YES

YES

SL179

R

R

R

S

S

R

I

R

R

R

R

0.250

YES

YES

SL181

S

S

S

S

S

R

S

R

R

I

I

0.380

YES

YES

SL182

R

R

I

I

S

R

S

R

R

I

R

0.380

YES

YES

SL189

S

S

I

S

S

R

S

R

R

I

I

0.250

YES

YES

SL192

S

S

I

S

S

R

R

R

R

S

S

0.380

NO

NO

SL195

I

I

S

S

S

R

S

R

R

I

I

0.380

YES

YES

SL198

R

R

S

S

S

R

S

R

R

I

R

0.250

YES

YES

SL199

R

I

I

S

S

R

S

R

R

I

I

0.380

YES

YES

SL203

I

I

I

S

S

R

S

R

R

I

I

0.380

YES

YES

SL115

Escherichia coli

S

S

S

S

S

S

S

S

S

S

S

0.190

NO

NO

SL121

S

S

R

S

S

R

R

R

S

S

I

0.190

NO

NO

SL125

S

S

S

S

S

S

S

S

S

S

S

0.190

NO

NO

SL133

S

S

S

S

S

S

R

R

S

S

R

0.190

NO

NO

SL137

S

S

S

S

S

S

R

R

S

S

R

0.190

NO

NO

SL152

S

S

I

S

S

R

R

R

R

S

S

0.190

NO

NO

SL158

S

S

R

I

S

R

R

R

S

S

R

0.190

NO

NO

SL159

S

S

S

I

S

S

S

S

S

S

S

0.190

NO

NO

SL169

S

S

S

S

S

R

R

R

S

S

S

0.250

NO

NO

SL171

S

S

S

S

S

R

I

R

S

S

R

0.250

NO

NO

SL176

S

S

R

S

S

S

S

R

S

S

I

0.250

NO

NO

SL178

R

S

S

S

S

R

I

R

I

S

S

0.250

NO

NO

SL188

S

S

S

S

S

R

I

R

S

S

S

0.250

NO

NO

SL166

Escherichia hermannii

R

R

I

S

S

R

S

R

R

I

R

0.190

YES

YES

SL108

Klebsiella pneumoniae

S

S

I

S

S

S

S

S

S

S

S

0.250

NO

NO

SL113

S

S

I

S

S

R

I

R

R

R

S

0.250

YES

YES

SL116

S

S

I

S

S

S

S

S

S

S

S

0.190

NO

NO

SL136

S

S

S

S

S

R

S

R

S

S

S

0.250

NO

NO

SL141

S

S

S

S

S

S

S

S

S

S

S

0.250

NO

NO

SL162

R

R

R

I

I

R

R

R

R

I

R

0.190

YES

YES

SL163

R

R

I

I

I

R

R

R

R

S

R

0.190

YES

YES

SL164

S

S

I

S

S

R

R

R

R

S

R

0.190

YES

YES

SL165

I

I

I

S

S

R

R

R

R

I

R

0.250

YES

YES

SL180

S

S

S

S

S

R

S

R

R

I

I

0.380

YES

YES

SL183

S

S

S

S

S

R

R

R

S

S

I

0.250

NO

NO

SL185

I

I

R

S

S

S

I

R

R

R

I

0.190

YES

YES

SL186

I

I

I

S

S

R

R

R

R

S

R

0.250

YES

YES

SL190

S

S

R

I

I

R

R

R

S

R

R

0.250

NO

NO

SL196

R

R

R

I

I

S

I

R

R

R

I

0.250

YES

YES

SL184

Enterobacter sp./Leclercia sp.

I

I

R

S

S

R

S

R

R

I

I

0.250

YES

YES

SL191

I

R

R

I

I

R

S

R

R

I

I

0.250

YES

YES

SL201

R

R

R

R

I

R

S

R

R

R

I

0.250

YES

YES

SL204

R

R

I

R

I

R

R

R

R

R

I

0.190

YES

YES

Environmental isolates

SL512

Enterobacter cloacae

S

S

S

I

S

S

R

R

S

S

S

0.250

NO

NO

SL532

I

I

S

S

S

R

S

R

R

R

R

N/A

YES

YES

SL513

Klebsiella pneumoniae

R

R

S

S

S

S

S

R

R

I

R

0.190

YES

YES

SL531

S

S

S

S

S

S

S

S

S

S

S

0.190

NO

NO

SL522

Pantoea dispersa

S

S

S

S

S

S

S

S

S

S

S

0.250

NO

NO

  1. aConsensus identification based on combination phenotypic (API20E/ID32E) and 16S rRNA and rpoB gene sequencing
  2. bDisk diffusion testing using the following antibiotics: ATM aztreonam, CAZ ceftazidime, CIP ciprofloxacin, IMP imipenem, TGC tigecycline, C chloramphenicol, D doxycycline, G sulfisoxazole, GM gentamicin, K kanamycin, SAM ampicillin/sulbactam. R resistant, I intermediate, and S sensitive phenotypes were determined based on CLSI criteria
  3. cESBL phenotypes: YES – ESBL detected, NO – no ESBL present, N/D – ESBL presence could not be determined based on the E-test or double disk diffusion assay