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)

Arnoldo et al.

Arnoldo et al. BMC Infectious Diseases 2013 13:124   doi:10.1186/1471-2334-13-124

Open Data