Association of Antibiotic Resistance, Cell Adherence, and Biofilm Production with the Endemicity of Nosocomial Klebsiella pneumoniae

Table 1

Antibiotic resistance phenotype of the 168 K. pneumoniae nosocomial isolates.

Antibiotic	% Resistance ()	MIC50 (μg/ml)	MIC90 (μg/ml)
AMK	67.2% (113)	64	>128
AMP	100 % (168)	32	>128
ATM	81.5% (137)	>128	>128
FEP	8.9% (15)	8.0	16
CTX	68.5% (115)	>128	>128
FOX	4.1% (7)	8.0	16
CAZ	72.0% (121)	>128	>128
CXM	97.0% (163)	>8.0	>8.0
CIP	6.5% (11)	0.125	1.0
GEN	74.4% (125)	>128	>128
IPM	0% (0)	1.0	2.0
LVX	7.1% (12)	0.5	2.0
OFX	3.5% (6)	0.25	1.0
TET	83.9% (141)	64	64
TOB	54.1% (91)	64	64
TIM	36.3% (61)	16/2	>256/2

AMK, amikacin; AMP, ampicillin; ATM, aztreonam; FEP, cefepime; CTX, cefotaxime; FOX, cefoxitin; CAZ, ceftazidime; CXM, cefuroxime; CIP, ciprofloxacin; GEN, gentamicin; IPM, imipenem; LVX, levofloxacin; OFX, ofloxacin; TET, tetracycline; TIM, ticarcillin-clavulanic acid; TOB, tobramycin.