A Multicenter Study of Beta-Lactamase Resistant Escherichia coli and Klebsiella pneumoniae Reveals High Level Chromosome Mediated Extended Spectrum β Lactamase Resistance in Ogun State, Nigeria

Table 1

Frequency of isolates (𝑛=197) in relation to sites.

Study site	Escherichia coli		Klebsiella pneumonia
	Number of isolates	Percentage (%)	Number of isolates	Percentage (%)
F.M.C	67	49.7	30	48.4
Ijaiye	50	37.0	22	35.5
Lantoro	18	13.3	10	16.1
Total	135	100	62	100