Table 6: CFU (cm)2 of biofilm formation of 16 EPEC isolates and 34 non EPEC isolates at 9 hour.

CFU (cm)2

EPEC

Total No = 16

Non EPEC

Total No = 34

No

%

Range

Mean ± SD

No

%

Range

Mean ± SD

> 106

16

100

107-1011

13.92×1010±3.376×1010

17

50

107-1011

20.29×109±3.69×109

>103 _ 106

0

0

0

0

6

17.6

104 _ 106

40×104± 5.196×104

0

(no growth)

0

0

0

0

11

32.4

0

0