Table 4.

Multiple Antibiotic Resistance Index (MARI)

S/N	ISOLATES	MARI	ANTIBIOTICS TO WHICH ORGANISMS WERE RESISTANT TO
1	E. coli	0.50	CEP, SXM, CXM, PEN, ERY, OXY, TET, NOR
2	Klebsiella spp	0.50	CEP, SXM, CTX, PEN, STR, OXY, TET, NAL
3	Shigella spp	0.60	CEP, PEN, CXM, OT, TET, SXM, CPO, CTX, NAL
4	Salmonella spp	0.75	CEP, SUL, STR, PEN, CXM, OXY, TET, SXM, CPO, CTX, NAL, CN
5	Pseudomonas aeruginosa	0.50	CEP, PEN, STR, OXY, TET, CPO, CTX, ERY
6	Enterobacter spp	0.56	CEP, PEN, CXM, TET, SXM, CPO, CTX, NAL, STR
7	Staphylococcus spp	0.44	CEP, PEN, CXM, OXY, TET, SXM, NAL

Key: STR = Streptomycin, TET = Tetracycline,, ERY = Erythromycin, PEN = Penicillin G, OXY = Oxytetracycline, CTX = Cefotaxime, CEP = Cephalothin, NAL = Nalidixic acid, SUL = Sulphonamide, NOR = Norfloxamine, SXM = Sulphamethoxazole, CXM = Cefuroxime sodium and CPO = Cefpirome