Table 6. Multiple resistance of 118 Escherichia coli isolates obtained from pigs with diarrhea in Korea

No. of resistance1) No. of resistant isolates Antimicrobial resistance (%)
0 subclass 1 0.8
1 subclass 2 1.7
2 subclasses 8 6.8
3 subclasses 24 20.3
4 subclasses 31 26.3
5 subclasses 34 28.8
6 subclasses 12 10.2
7 subclasses 4 3.4
8 subclasses 2 1.7
Multi-resistant (≥ 3 subclasses) 107 90.7
Total isolates 118 100.0
Antimicrobial subclasses defined by the Clinical and Laboratory Standards Institute are used.