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. 2011 Jan;133(1):116–118.

Table I.

Comparison of ESBL production among clinical isolates

Organism ESBL+ (%) ESBL- (%) Amp C (%) Total
E. coli 65 (67.7) 15 (15.6) 16 (16.7) 96
K. pneumoniae 50 (63.3) 22 (27.8) 7 (8.9) 79
Enterobacter spp. 15 (57.7) 9 (34.6) 2 (7.7) 26
Proteus spp. 12 (57.1) 3 (14.3) 6 (28.6) 21
Citrobacter spp. 7 (46.7) 3 (20) 5 (33.3) 15
Salmonella Typhi 0 (00) 2 (100) 0 (00) 2
Total 149 (62.3) 54 (22.6) 36 (15.1) 239