Antibiotic Resistance and Biofilm Production in Staphylococcus epidermidis Strains, Isolated from a Tertiary Care Hospital in Mexico City

Table 2

Distribution of mecA gen in S. epidermidis biofilm producer strains by diverse infection sites.

Catheter		Blood		Urine		Other
𝑛=90		𝑛=71		𝑛=27		𝑛=57
(90/245) = 37%		(71/245) = 29%		(27/245) = 11%		(57/245) = 23%
Biofilm (+)	mecA (+)	Biofilm (+)	mecA (+)	BIofilm (+)	mecA (+)	Biofilm (+)	mecA (+)
𝑛=37	𝑛=36	𝑛=20	𝑛=19	𝑛=9	𝑛=6	𝑛=18	𝑛=15
(37/90) = 41%	(36/37) = 97%	(20/71) = 28%	(19/20) = 95%	(9/27) = 33%	(6/9) = 67%	(18/57) = 41%	(15/18) = 83%