Table 4.

Drug susceptibility of Escherichia coli species

Drug inhibition diameters (mm)
Sample No.	Amoxycillin			Ciprofloxacin			Cotrimoxazole			Erythromycin			Nalidicic acid			Nitrofurantoin
	R	I	S	R	I	S	R	I	S	R	I	S	R	I	S	R	I	S
22(b)	0			0			0			0			0					19
116(b)			37			27			21	0				15				19
93	0					23	0			0				17		9
88	0					36	0			0					30			19
95(b)	0					29	0			0			0					29
102A	0			0			0			0			0					20
59	0					23	0				15		0			9
39	0					23	0					18	13					24
111	0					29	0			0			0					29
212	0					25	0			0					30			22
221	0				20		0					35	0			9
213	0			0			0			0			0					26
77	0					22	0			0			0			0