Table 2.

Antibiotic susceptibility pattern of A. baumannii isolates.

Antibiotic		GEN	TOB	LEV	TET	MIN	CTZ	CFP	PIP	TGC	AMP/S	COL	CTX	SXT	AMK	CIP	IMI	MER
Susceptibility pattern	RN (%)	58 (82.8)	52 (74.3)	65 (92.8)	54 (77.1)	43 (61.4)	70 (100)	70 (100)	68 (97.1)	32 (45.7)	55 (78.6)	2 (2.8)	70 (100)	67 (95.7)	59 (84.2)	65 (92.8)	50 (71.4)	52 (74.2)
	IN (%)	2 (2.8)	4 (5.7)	0 (0.0)	0 (0.0)	0(0.0)	0(0.0)	0(0.0)	0(0.0)	0(0.0)	0(0.0)	0(0.0)	0(0.0)	0(0.0)	2 (2.8)	0(0.0)	3 (4.3)	0 (0.0)
	SN (%)	10 (14.3)	14 (20)	5 (7.1)	16 (22.8)	27 (38.5)	0(0.0)	0(0.0)	2(2.8)	38 (54.3)	15(21.4)	68 (97.1)	0(0.0)	3 (4.3)	9 (12.8)	5 (7.1)	17 (24.2)	18 (25.7)
Interpretive categories and MIC breakpoints (µg/ml)	R	≥16	≥16	≥8	≥16	≥16	≥32	≥32	≥128	≥8	≥32/16	≥4	≥64	≥4/76	64	≥4	≥8	≥8
	I	8	8	4	8	8	16	16	32–64	-	16/8	-	16–32	-	32	2	4	4
	S	≤4	≤4	≤2	≤4	≤4	≤8	≤8	≤16	<8	≤8/4	≤2	≤8	≤ 2/38	16	≤1	≤2	≤2
	Range	2 to ≥240	1 to ≥240	1 to ≥ 240	2 to 256	2 to 256	4 to ≥ 256	4 to ≥ 256	5 to ≥ 240	0.25 to 64	2/1 to ≥ 256/128	0.125 to 32	4 to ≥ 256	5 to 240	8 to ≥ 256	0.1 to ≥ 240	0.25 to 256	0.25 to 256

GEN: gentamicin; TOB: tobramycin; LEV: levofloxacin; TET: tetracycline; MIN: minocycline; CTZ: ceftazidime; CFP: cefepime; PIP: piperacillin; TGC: tigecycline; Amp/S: ampicillin/Sulbactam; COL: colistin; CTX: cefotaxime; SXT: trimethoprim-sulphamethoxazole; AMK: amikacin; CIP: ciprofloxacin; IMI: imipenem; MEM: meropenem; R: resistant; I: intermaediate; S: susceptible.