Table 1. MAR phenotypes and MAR indices patterns in Enterobacter spp. and Klebsiella spp. isolated from the rivers.

Enterobacter species (n = 14)
MAR phenotypesa	No of antibiotics showing resistance	No of phenotype observed	MAR index
GM-AUG-AP-MEM-CTX-CXM-CIP-NOR-NI-C-PB-CO-NA-TS-T-DXT	16	1	0.89
GM-AUG-AP-CTX-CXM-CIP-NOR-NI-C-PB-CO-NA-TS-T-DXT	15	4	0.83
GM-AUG-AP-IMI-CTX-CXM-NI-C-PB-CO-NA-TS-T-DXT	14	1	0.78
GM-AUG-AP-CTX-CXM-CIP-NI-C-PB-CO-NA-TS-T-DXT	14	1	0.78
GM-AUG-AP-CTX-CXM-NI-C-PB-CO-NA-TS-T-DXT	13	1	0.72
AK-AUG-AP-MEM-CTX-CXM-CIP-NOR-PB-CO-NA-T-DXT	13	1	0.72
AUG-AP-CXM-CIP-NI-C-PB-CO-NA-TS-T-DXT	12	1	0.67
AUG-AP-CXM-NOR-NI-C-PB-CO-NA-TS-T-DXT	12	1	0.67
GM-AUG-AP-CTX-NI-NA-TS-T-DXT	9	1	0.50
AUG-AP-NI-PB-CO-T-DXT	7	1	0.39
AUG-AP-PB-CO-DXT	5	1	0.28
Klebsiella species (n = 8)
AK-AUG-AP-CTX-CXM-CIP-NOR-NI-C-NA-TS-T-DXT	13	1	0.72
AUG-AP-CTX-CXM-CIP-NI-C-PB-CO-NA-TS-T-DXT	13	1	0.72
AUG-AP-CTX-CXM-NI-C-PB-CO-TS-T-DXT	11	1	0.61
AUG-AP-CTX-CXM-NI-PB-CO-TS-T-DXT	10	1	0.56
AUG-AP-NI-PB-CO	5	1	0.28
AP-CTX-CXM-NA-TS	5	1	0.28
AP-CTX-CXM-TS	4	2	0.22

^a represents antibiotics code which are explained in Fig 4 footnotes.