Table 2 Number and percentage of BL and ESBL producers
Isolated microorganisms | Beta lactamases producers | ESBL | ||||
|---|---|---|---|---|---|---|
Specie (n.) | North | Centre-south | North | Centre-south | North | Centre-south |
n. | n. | n. (%) | n. (%) | n. (%) | n. (%) | |
Escherichia coli (110) | 78 | 32 | 37 (47.4) | 9 (28.1) | 34 (43.6) | 9 (28.1) |
Proteus mirabilis (51) | 30 | 21 | 20 (66.7) | 18 (85.7) | 20 (66.7) | 17 (81.0) |
Providencia stuartii (31) | 25 | 6 | 17 (68.0) | 5 (83.3) | 16 (64.0) | 4 (66.7) |
Klebsiella pneumoniae (26) | 20 | 6 | 7 (35.0) | 0 (−) | 7 (35.0) | 0 (−) |
Morganella morganii (23) | 20 | 3 | 14 (70.0) | 0 (−) | 14 (70.0) | 0 (−) |
Citrobacter koseri (7) | 7 | 0 | 4 (57.1) | 0 (−) | 4 (57.1) | 0 (−) |
Enterobacter cloacae (4) | 2 | 2 | 0 (0.0) | 1 (50.0) | 0 (−) | 0 (−) |
Serratia marcescens (3) | 3 | 0 | 1 (33.3)) | 0 (−) | 0 (−) | 0 (−) |
Proteus vulgaris (1) | 1 | 0 | 0 (0.0) | 0 (−) | 0 (−) | 0 (−) |
Citrobacter freundii (1) | 1 | 0 | 0 (0.0) | 0 (−) | 0 (−) | 0 (−) |
Total (257) | 187 | 70 | 100 (53.5) | 33 (47.1) | 95 (50.8) | 30 (42.9) |