Table 7: CFU (cm)2 of biofilm formation of 16 EPEC isolates and 34 non EPEC isolates at 24 hour.

CFU(cm)2

EPEC

Total No = 16

Non EPEC

Total No = 34

No

%

Range

Mean ± SD

No

%

Range

Mean ± SD

> (10)8

16

100

109-1015

6.402×1013±2.496×1013

17

50

109-1015

31.11×1012±4.41×1012

>(10)5 _ (10)8

0

0

0

0

6

17.6

106_ 108

40×105±5.19×105

0

(no growth)

0

0

0

0

11

32.4

0

0