(a).

Antimicrobial agent	Number of very major errors (%)	Number of major errors (%)	Number of minor errors (%)	AST agreement (%)	Total
Gram-positives
Ampicillin	0/2	1/2 (50.0)	0/4	3/4 (75.0)	4
Ceftaroline	0/0	0/3	0/3	3/3 (100.0)	3
Doxycycline	0/0	0/2	0/2	2/2 (100.0)	2
Erythromycin	0/1	0/2	0/3	3/3 (100.0)	3
Trimethoprim-sulfamethoxazole	0/0	0/3	0/3	3/3 (100.0)	3
Daptomycin	0/0	0/5	0/5	5/5 (100.0)	5
Linezolid	0/0	0/7	0/7	7/7 (100.0)	7
Vancomycin	0/1	1/6 (16.7)	0/7	6/7 (85.7)	7
Cefoxitin	0/0	0/2	0/2	2/2 (100.0)	2
MLS screening	0/0	0/2	0/2	2/2 (100.0)	2
Total	0/4	2/34 (5.9)	0/38	36/38 (94.7)	38