Table 3.

Resistance patterns of commonly isolated organisms from the internal medicine ward*

Organism	No. of specimens resistant/ No. of specimens tested (% resistant)
	Ampicillin	Cotrimoxazole	Chloramphenicol	Gentamicin	Ciprofloxacin	Norfloxacin	Erythromycin	Co-amoxiclav	C. Penicillin
H. influenzae	3/13 (23)	2/3 (66)	2/11 (18.2)	nt	nt	nt	5/7 (71.4)	1/10 (10)	nt
E. coli	5/7 (71)	5/9 (55)	2/2 (100)	4/9 (44)	5/9 (55)	4/8 (50)	nt	7/8 (87)	nt
K. pneumoniae	1/6 (17)	4/9 (44)	nt	1/10(10)	nt	nt	nt	2/3 (66)	1/1 (100)
S. aureus	2/5 (40)	2/2 (100)	1/1 (100)	2/8 (25)	2/8 (25)	nt	nt	4/5 (80)	2/2 (100)
S. pneumoniae	nt	4/8 (50)	2/5 (40)	nt	nt	nt	nt	nt	nt
S. paratyphi	nt	nt	nt	nt	nt	nt	nt	nt	nt
Acinetobacter	nt	nt	nt	nt	1/2 (50)	1/1 (100)	nt	nt	1/1 (100)

nt = Not tested * 151 specimens were collected for culture and sensitivity testing from the 141 patients in whom the test was carried out