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

Table 2

Adherence phenotype, biofilm formation, multidrug resistance phenotype and endemicity of 59 nosocomial clones of K. pneumoniae strains.

Clone/number of isolates	Adherence phenotype ()	BPI ()	MDR phenotype ()	Endemicity ()
G2/2, G11/2, G39/1, G44/1, G45/1	High (5)	>1 (4)	Negative (5)	Non endemic (5)
		<1 (1)
G1/14, G3/2, G5/27, G6/4, G7/8, G8/1, G9/39/, G10/1, G12/2, G13/1, G14/1, G16/2, G17/1, G18/1, G19/1, G20/1, G21/1, G23/1, G24/2, G25/1, G26/1, G28/1, G30/1, G31/1, G32/1, G33/2, G34/1, G35/1, G36/1, G37/1, G38/1, G40/2, G41/1, G42/1, G43/1, G46/1, G48/1, G49/1, G50/1, G51/1, G52/1, G53/1, G54/1, G55/1, G56/1, G57/1, G58/1, G59/1	Moderate (48)	>1 (35); <1 (9); 0 (4)	Positive (23); Negative (25)	Endemic (6); Non endemic (42)
G4/1, G22/4, G47/2, G27/1, G29/1, G15/1	Poor (6)	>1 (3)	Positive (5)	Non endemic (6)
		<1 (2)	Negative (1)
		0 (1)

BPI = Biofilm production index. MDR = multidrug resistance. See text for description of adherence phenotypes.