Table 2.

MIC to Cefoxitin in Both Groups.

	Cefoxitin group MIC to cefoxitin	Ertapenem group MIC to cefoxitin
E. coli MIC
4 mg/L or less	15	21
8 mg/L	2	7
16 mg/L	0	2
32 mg/L	0	1
64 mg/L	0	3
Klebsiella MIC
4 mg/L or less	13	11
8 mg/L	0	6
16 mg/L	0	2
34 mg/L	0	1
64 mg/L	0	1

Note. Two patients in ertapenem group grew both organisms so were accounted for twice.