Table 4: CFU (cm)2 of biofilm formation of 16 EPEC isolates and 34 non EPEC isolates at 3hour.

CFU (cm)2

EPEC

Total No = 16

Non EPEC

Total No = 34

No

%

Range

Mean ± SD

No

%

Range

Mean ± SD

> (10)7

16

100

108-1013

69.59×1010±24.93×1010

17

50

108-1012

18.93×1010±3.75×1010

>104 _ 107

0

0

0

0

6

17.6

105 _107

70×104± 5 ×104

0

(no growth)

0

0

0

0

11

32.4

0

0