Table 4 MAR phenotypes and MAR index patterns in Pseudomonas species and Aeromonas caviae isolated from the carioca river and Rodrigo de Freitas lagoon in Rio de Janeiro, on November 10, 2022.

From: Continuity of carbapenem resistance determinants in carioca river and Rodrigo de Freitas Lagoon, Rio de Janeiro, Brazil, after decade

Isolates

MAR phenotypes

N° of antimicrobials showing resistance

N° of antimicrobials tested

N° of phenotype observed

MAR index

Point CR 1 (n = 1)

P. guariconensis

MER-IMP-CIP-ATM

4

9

1

0.44

Point CR 2 (n = 1)

A. caviae

ETP-CAZ-CRO-CFO- CTX-PPT-ASB-TET-

SUT

9

15

1

0.60

Point CR 3 (n = 1)

A. caviae

AMI-MER-ETP-GEN-CPM-CRO-CFO-CTX-ATM-ASB

10

15

1

0.66

Point RFL 5 (n = 1)

P. guariconensis

MER-CAZ-ATM

3

9

1

0.33

  1. n = Number of isolates that exhibited resistance to three or more antimicrobials.