Prospective Study
Copyright ©The Author(s) 2021.
World J Gastroenterol. Jan 28, 2021; 27(4): 358-370
Published online Jan 28, 2021. doi: 10.3748/wjg.v27.i4.358
Table 4 Correlation between the composition of stones and variables
Variable
Pigment-based stones
Cholesterol-based stones

P value
PAD
Yes14 (93.3%)1 (6.7%)8.310.004
No16 (50.0%)16 (50.0%)
Diameter of the CBD
≤ 15 mm21 (65.6%)11 (34.4%)0.140.75
> 15 mm9 (60.0%)6 (40.0%)
Diameter of the stone
≤ 15 mm25 (69.4%)11 (30.6%)2.100.17
> 15 mm5 (45.5%)6 (54.5%)
Stone texture
Hard6 (37.5%)10 (62.5%)7.280.01
Soft24 (77.4%)7 (22.6%)