Figure 1Antibiotic multi-resistance patterns of Escherichia coli strains isolated from fishery workers and restaurant workers. DR = drug resistance.
Table 1Fecal samples collected for this study
Age groups (years) |
Fishery workers (n = 73)
|
Healthy individuals (n = 180)
|
Male |
Female |
Male |
Female |
1–10 |
0 |
0 |
0 |
0 |
11–20 |
0 |
0 |
0 |
0 |
21–30 |
2 |
0 |
4 |
6 |
31–40 |
16 |
0 |
9 |
35 |
41–50 |
23 |
2 |
13 |
62 |
51–60 |
18 |
3 |
10 |
32 |
61+ |
8 |
1 |
2 |
7 |
Total |
67 |
6 |
38 |
142 |
Table 2Antibiotic resistance rates of the isolates in each group
Antimicrobial agents |
Antibiotic resistances (%) of isolates
|
Fishery workers |
Control groups |
β-Lactams |
|
|
Ampicillin |
29 |
34 |
β-Lactam/β-lactamase inhibitor combinations |
|
|
Ampicillin–sulbactam |
14 |
23 |
Piperacillin–tazobactam |
0 |
0 |
Cephems |
|
|
Cephalothin*
|
36 |
0 |
Cefepime |
0 |
0 |
Cefotetan |
1 |
0 |
Cefotaxime |
0 |
1 |
Cefoxitin |
5 |
13 |
Carbapenems |
|
|
Imipenem |
0 |
0 |
Aminoglycosides |
|
|
Amikacin |
0 |
0 |
Gentamicin |
15 |
9 |
Tobramycin |
1 |
5 |
Netilamicin |
1 |
0 |
Tetracyclines |
|
|
Tetracycline*
|
60 |
41 |
Monobactams |
|
|
Aztreonam |
0 |
2 |
Folate pathway inhibitors |
|
|
Trimethoprim–sulfamethoxazole*
|
29 |
1 |
|
|
|