Table 4.

Screening and determining the frequency of MRSE and MDR in biofilms from various hospitals.

Biofilm production		Biofilm genes
Total	Biofilm phenotype	Number	icaD	FnbA	EbpS
Shariati Hospital (64)	Strong	31	+	+	+
	moderate	19	+	+	+
	Weak	11	−	+	+
	Not connection	3	—	—	—
Firuzgar Hospital (33)	Strong	18	+	+	+
	moderate	5	+	+	+
	Weak	8	+	−	−
	Not connection	2	—	—	—
97	Weak sum = 19	Moderate sum = 24		Strong sum = 49
Measurement criteria	Strong Biofilm: OD > 4 × ODc moderate Biofilm: 2 × ODc ˂ OD ≤ 4 × ODc Weak Biofilm: ODc ˂ OD ≤ 2 × ODc Not connection: OD ≤ ODc ODc = 0.0025