. 2020 Aug 25;10:14162. doi: 10.1038/s41598-020-71025-7

Table 5.

Antimicrobial activity of ceftazidime (CAZ) alone and in combination with di-F-Q against 50 clinical isolates of P. aeruginosa.

Antimicrobial Agent	MIC₅₀ (mg/l)^a	MIC₉₀ (mg/l)^b	CLSI^c breakpoint^d
Antimicrobial Agent	MIC₅₀ (mg/l)^a	MIC₉₀ (mg/l)^b	%S	%I	%R
CAZ alone (n = 50)	4	> 32	78.4	5.9	15.7
CAZ + di-F-Q (32 mg/L) (n = 50)	2	8	94.1	3.9	2.0

^aMIC required to inhibit 50% of isolates.

^bMIC required to inhibit 90% of isolates.

^cClinical Laboratory Standards Institute.

^dS (Sensitive): MIC ≤ 8, I (Intermediate): MIC = 16, R (Resistant): MIC ≥ 32 (mg/l).