Table 6. Percentages of resistance of all clinical isolated bacteria to three antibiotics of the cephalosporin group (%).

Bacteria	Cefepime 30 µg/disc			Ceftazidime 30 µg/disc			Cefuroxime 30 µg/disc
	1st phase	2nd phase	3rd phase	1st phase	2nd phase	3rd phase	1st phase	2nd phase	3rd phase
E. faecalis	65	70	76	62	68	69	51	54	58
S. aureus	61	67	78	78	84	86	62	66	68
A. baumannii	38	42	49	32	41	48	50	56	62
Citrobacter sp.	29	35	40	22	27	34	37	38	38
E. aerogenes	32	41	52	35	39	45	72	77	79
E. coli	58	62	69	67	71	78	75	80	82
K. pneumoniae	54	67	71	64	69	73	71	72	75
K. oxytoca	35	41	47	21	29	32	32	39	42
P. mirabilis	27	31	35	37	34	35	27	31	34
P. vulgaris	34	39	42	34	43	45	38	46	47
P. aeruginosa	75	79	81	75	77	83	67	76	82

1st phase: April-September 2011; 2nd phase: October 2011-March 2012; 3rd phase: April-September 2012.