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Table 2 Different antibiotic resistance phenotypes and indices in 17 MDR P. mirabilis isolates

From: Prevalence of extended-spectrum β-lactamases, AmpC, and carbapenemases in Proteus mirabilis clinical isolates

Antibiotic profile

No. of AB groups

No of phenotypes (%)

No. of AB showing resistance

MARI

PRL/AMC/ATM/FOX/CTX/CAZ/CIP/TS/AK

4

1 (5.9%)

9

0.82

PRL/AMC/ATM/CTX/CAZ/CIP/TS/GM/AK

4

2 (11.8%)

9

0.82

PRL/AMC/FOX/CTX/CAZ/CIP/TS/GM/AK

4

1 (5.9%)

9

0.82

PRL/AMC/FOX/CIP/TS/GM

4

1 (5.9%)

6

0.55

PRL/FOX/CTX/CAZ/CIP/TS/GM/AK

4

1 (5.9%)

8

0.73

PRL/CTX/CAZ/CIP/TS/GM/AK

4

2 (11.8%)

7

0.64

PRL/CTX/CAZ/CIP/GM/AK

4

1 (5.9%)

6

0.55

AMC/FOX/TS/AK

4

1 (5.9%)

4

0.36

ATM/FOX/CTX/CAZ/CIP/TS/GM/AK

4

3 (17.6%)

8

0.73

AMC/FOX/CTX/TS/GM

3

1 (5.9%)

5

0.45

AMC/TS/GM

3

2 (11.8%)

3

0.27

PRL/ TS/GM

3

1 (5.9%)

3

0.27

  1. PRL Piperacillin (100 μg), AMC Amoxicillin/clavulanic acid (30 μg), ATM Aztreonam (30 μg), IPM Imipenam (10 μg), FOX Cefoxitin (30 μg), CTX Cefotaxime, CAZ Ceftazidime (30 μg), CIP Ciprofloxacin (5 μg), TS Cotrimoxazole (25 μg), GM Gentamicin (10 μg) and AK Amikacin (30 μg), AB Antibiotic, MARI Multiple antibiotic resistance index