TABLE 2.

Frequency of ESBL-based resistance transmissible by conjugation (R+ESBL+), transmissible AmpC-type β-lactamase (R+AmpC+), and nontransmissible resistance (R) in 752 oxyimino-β-lactam-resistant clinical isolates

Clinical isolateNo. of isolates transmitting resistance
R+ESBL+R+AmpC+R
K. pneumoniae25944214
K. oxytoca12442
E. coli687102
Total33955358