Table 2: Previous ERCP findings.

 

Previous ERCP findings

Group I

(n = 62)

Group II

(n = 63)

 

P-value

No.

%

No.

%

The number of CBD stones:

Single

Multiple

 

39

23

 

62.9%

37.1%

 

41

22

 

65.1%

34.9%

 

0.800

Mean ± SD

Range

1.48 ± 0.70

1.0-3.0

1.48 ± 0.70

1.0-3.0

0.747

Size of CBD stones (cm)

Mean ± SD

Range

 

1.61 ± 0.38

0.8-2.4

 

1.73 ± 0.49

0.9-2.7

 

0.138

*The significance between the compared groups in the different parameters P value at < 0.001.