TABLE 3.

Distribution of MICs according to Lactobacillus species^a

Antibiotic	Species	No. of isolates for which the MIC (mg/liter) was as follows:
		0.03	0.06	0.12	0.25	0.5	1	2	4	8	16	≥32
Benzylpenicillin	L. acidophilus group			2	2	2			1
	L. rhamnosus and L. paracasei				5	9	1	5	1
Amoxicillin	L. acidophilus group					7
	L. rhamnosus and L. paracasei					5	8	6	2
Imipenem	L. acidophilus group			3	3	1
	L. rhamnosus and L. paracasei				1	2	7	9	2
Vancomycin	L. acidophilus group						5	2
	L. rhamnosus and L. paracasei											21b
Gentamicin	L. acidophilus group							1	6
	L. rhamnosus and L. paracasei								6	9	3	3
Erythromycin	L. acidophilus group	1	6
	L. rhamnosus and L. paracasei	4	12	4	1
Levofloxacin	L. acidophilus group											7
	L. rhamnosus and L. paracasei					3	14	1	3

^aSeven strains were from the L. acidophilus group and 21 strains were from the L. rhamnosus and L. paracasei subsp. paracasei groups (19 and 2 strains respectively). 

^bMICs, ≥256 μg/ml.