From: Fecal carriage of extended-spectrum β-lactamases and AmpC-producing Escherichia coli in a Libyan community
Beta-lactamase phenotype
2001
2007
P-Values*
Total
(N = 85)
(N = 49)
(N = 134)
ESBL
14(16.5)**
4(8.2)
0.3
18(13.4)
AmpC
9(10.6)
0(0)
0.07
9(6.7)