Table 2.
Molecular characteristics of third-generation cephalosporin-resistant Escherichia coli associated with surgical site infection
| Sequence type (n) | ERIC- and REP-PCR based pattern (n) | Hospital/surgical department (n) | ESBL type (n) | PMQR determinants a (n) |
|---|---|---|---|---|
| 10 (12) | A (8) | A/GS (6), A/G (1), A/U (1) | CTX-M15 (8) | QnrB (8), QnrS (4), AAC(6′)-1b-cr (8) |
| B (2) | A/GS (1), C/O (1) | CTX-M15 (2) | QnrB (2), QnrS (2), AAC(6′)-1b-cr (2) | |
| C (1) | CP/GS (1) | CTX-M15 (1) | QnrS (1), AAC(6′)-1b-cr (1) | |
| D (1) | C/O (1) | CTX-M15 (1) | QnrB (1), QnrS (1), AAC(6′)-1b-cr (1) | |
| 146 (1) | E (1) | A/GS (1) | CTX-M15 (1) | QnrB (1), QnrS (1), AAC(6′)-1b-cr (1) |
| 131 (12) | F (1) | A/GS (1) | CTX-M15 (1) | QnrB (1), AAC(6′)-1b-cr (1) |
| G (3) | A/GS (3) | CTX-M15 (3) | QnrB (3), QnrS (3), AAC(6′)-1b-cr (3) | |
| H (1) | C/O (1) | CTX-M15 (1) | QnrB (1), QnrS (1), AAC(6′)-1b-cr (1) | |
| I (1) | A/GS (1) | CTX-M15 (1) | QnrB (1), QnrS (1), AAC(6′)-1b-cr (1) | |
| J (5) | C/O (3), A/GS (1), CP/GS (1) | CTX-M15 (5) | QnrB (4), QnrS (4), AAC(6′)-1b-cr (5) | |
| K (1) | A/U (1) | CTX-M15 (1) | QnrB (1), QnrS (1), AAC(6′)-1b-cr (1) | |
| 156 (5) | L (5) | CP/GS (3), C/0 (2) | CTX-M15 (5) | QnrB (5), QnrS (5), AAC(6′)-1b-cr (5) |
| 354 (1) | M (1) | CP/GS (1) | CTX-M15 (1) | QnrS (1), AAC(6′)-1b-cr (1) |
| 405 (2) | N (1) | CP/GS (1) | CTX-M15 (1) | QnrB (1), QnrS (1), AAC(6′)-1b-cr (1) |
| O (1) | A/GS (1) | CTX-M15 (1) | QnrB (1), QnrS (1), AAC(6′)-1b-cr (1) |
A/GS, Amitié Hospital/general surgery; A/G, Amitié Hospital/gynaecology; A/U, Amitié Hospital/urology; C/O, Community Hospital/orthopaedics; CP/GS, Complexe Pédiatrique/general surgery; ESBL, extended-spectrum beta-lactamase; PMQR, plasmid-mediated quinolone resistance.