Susceptibility of Major Pathogens - 1999
Institutional Antibiotic Control Program

Notes
Antibiotic Classes
Back to Reference Page

	Gram Negative													Gram Positive
# of isolates 1, 2	400	26	80	110	272	1283	61	98	681	57	280	759	144	1233	1257	986	316	109	187
Amikacin	70		100	93	94	99		98	89	98	99	90	97
Ampicillin			0	0	0	55	62	0	0	0	83		0	7	9	99	9		85
Ampicillin/Sulbactam	60	100	52	35	20	59	91	60	60	8	87		3	55	36
Aztreonam	2		75	75	55	97		79	79	96	95	62	90
Cefazolin			0	0	0	89		39	80	0	91		0	55	36				97
Cefoxitin			0	0	0	92		90	80	75	98		35
Ceftazidime	19		71	72	55	96		82	78	82	98	82	90
Ceftriaxone	7		74	75	56	98	93	86	90	97	97	26	92					79
Cefuroxime							92
Chloramphenicol							95							98	93	70	96	87	97
Ciprofloxacin	16		87	78	79	90	100	89	82	71	95	65	90	54	45	61	5
Clindamycin		50												59	54				92
Erythromycin														38	25			68	69
Gentamicin	21		86	90	76	92		86	77	76	90	68	94	71	59	71-S	55-S
Imipenem/Cilastatin	73	100	100	100	97	99		98	99	92	98	68	99
Metronidazole		96
Oxacillin														55	35
Penicillin														7	9			65	80
Piperacillin/tazobactam	35	96	70	63	56	75		70	64	87	79	61	72
Tetracycline 3																33	52	76	65
Ticarcillin/clavulanate	18		69	70	56	85		76	70	77	99	74	81	52	35
Tobramycin	46		91	89	77	94		87	76	88	91	90	89
Trimethoprim/Sulfa	23		75	90	68	77	78	80	72	58	87	4	92	84	60			59
Vancomycin														100	100	95	14	100	100

Notes

1. Number of organisms tested may include duplicate isolates from the same patient.
2. Both inpatients and outpatients were included for S. pneumoniae, S. viridans and H. influenzae. Data for all other organisms reflect inpatients only.
3. Can substitute doxycycline 100mg IV Q12h
S. Synergy

Back to Reference Page

Original page created with permission: October 14, 1998

Created: October 14, 1998 Edited: October 3, 2000.
Copyright © 1998-2001.