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. 2011 Dec 1;42(4):1284–1288. doi: 10.1590/S1517-83822011000400006

Table 1.

Proportion of ESBL, AmpC and MBL producers among the ceftazidime resistant Pseudomonas aeruginosa

No. of ceftazidime resistant isolates ESBL Positive (%) AmpC Positive (%) MBL Positive (%)
In-patients 51 11 (21.6) 6 (11.8) 38 (74.5)
Out-patients 16 2 (12.5) 5 (31.3) 6 (37.5)
Total 67 13 (19.4) 11 (16.4) 44 (65.7)

ESBL – Extended spectrum β-lactamase

MBL – Metallo-β-lactamase

AmpC – AmpC β-lactamase