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Table 3 Distribution of ESBL resistance genes in different areas

From: Epidemiology of CTX-M-type extended-spectrum beta-lactamase (ESBL)-producing nosocomial -Escherichia coli infection in China

  Hainan (n = 19) Hebei (n = 21) Chongqing (n = 30) Henan (n = 30) Tianjin (n = 30)
blaCTX-M-1 group 57.9(11) 42.9(9) 83.3(25) 83.3(25) 56.7(17)
blaCTX-M-9 group 68.4(13) 71.4(15) 53.3(16) 26.7(8) 63.3(19)
TEM 63.2(12) 85.7(18) 96.7(29) 83.3(25) 86.7(26)
SHV 0(0) 14.3(3) 30.0(9) 13.3(4) 23.3(7)
OXA 10.5(2) 33.3(7) 26.7(8) 16.7(5) 20.0(6)
VEB 0(0) 0(0) 16.7(5) 0(0) 6.7(2)