Bacterial isolates

Cholesterol gallstones
n=47

Black pigmented stones
 n=23

Brown pigmented stones
 n=4

p. value

Positive PCR

19 (%40.4)

12 (%52.1)

1 (%25)

0.486

E. coli

9 (%19.1)

6 (%26.1)

1 (%25)

0.792

Enterococcus spp.

5 (%10.6)

4 (%17.3)

1 (%25)

0.583

Klebsiella Pneumonia

5 (%10.6)

2 (%8.6)

0 (%0)

0.775

Pseudomonas

3 (%6.3)

3 (%13.1)

1 (%25)

0.369

Acinetobacter spp.

1 (%2.1)

2 (%8.6)

0 (%0)

0.388

H. Pylori

2 (%4.2)

0 (%0)

0 (%0)

0.554