TABLE 6.

Percentages of MICs within one or two dilutions from reference method based on test site and medium

Antimicrobial agent	% MICs within 1 dilution/2 dilutions from reference method
	In-house MH HTM			PML MH HTM (Site 1)	MH LHB NAD		IST LHB NAD (Site 3)	IST HTM (Site 3)
	Site 1	Site 2	Site 3		Site 1	Site 2
Amox-clav acida	97/100	82/98	82/93	98/100	91/100	89/99	81/92	81/94
Amoxicillin	95/100	74/91	80/90	97/98	86/100	86/97	80/90	72/86
Ampicillin	100/100	83/100	79/100	100/100	100/100	93/100	84/89	87/95
Azithromycin	91/100	40/92	69/95	71/97	97/98	70/94	68/93	73/95
Cefaclor	91/98	49/84	67/97	86/97	80/95	71/87	67/86	67/85
Cefprozil	97/99	47/81	90/98	90/98	81/96	67/89	43/73	52/78
Ceftriaxone	99/100	96/100	100/100	100/100	100/100	99/100	90/100	91/100
Cefuroxime	81/97	86/97	72/90	72/90	87/99	91/99	70/89	72/90
Chloramphenicol	87/100	90/100	95/100	95/100	82/100	92/100	93/96	94/96
Ciprofloxacin	99/100	100/100	99/100	99/100	99/100	96/99	99/100	100/100
Clarithromycin	99/100	96/100	99/100	99/100	98/100	96/100	94/98	93/98
Doxycycline	99/100	99/100	97/100	97/100	97/99	96/100	85/96	67/96
Erythromycin	98/100	67/99	88/100	88/100	95/99	87/99	88/96	83/96
Gemifloxacin	64/97	41/98	41/92	41/92	12/80	5/67	75/97	87/98
Grepafloxacin	79/99	54/99	81/100	81/100	41/98	23/98	95/100	99/100
Levofloxacin	99/100	78/100	99/100	99/100	98/100	74/100	95/100	98/99
Ofloxacin	100/100	100/100	100/100	100/100	99/100	98/100	99/100	99/100
Trim./Sulfa.b	71/92	89/96	52/83	52/83	74/92	54/84	65/78	69/91
Trovafloxacin	71/94	66/91	85/99	68/94	61/91	52/90	90/100	96/100

^aAmox-clav acid, amoxicillin-clavulanic acid.

^bTrim./Sulfa., trimethoprim-sulfamethoxazole.