Table 4 Comparison between the two studied groups according to the biliary dilatation
Biliary dilatation | Total (n=60) | Benign (n=34) | Malignant (n=26) | Test of sig. | P | |||
|---|---|---|---|---|---|---|---|---|
No. | % | No. | % | No. | % | |||
Intrahepatic biliary dilatation | 15 | 25.0 | 7 | 20.6 | 8 | 30.8 | Â | Â |
Intrahepatic duct diameter (mm) | ||||||||
 Min.–Max. | 4.0–15.0 | 4.0–15.0 | 6.0–13.0 | U=16.0 | 0.189 | |||
 Mean ± SD. | 8.80 ± 2.98 | 8.0 ± 3.56 | 9.50 ± 2.39 | |||||
 Median (IQR) | 8.0 (7.0–10.50) | 7.0 (6.50–8.50) | 9.0(8.0–11.50) | |||||
Intra + extra | 45 | 75.0 | 27 | 79.4 | 18 | 69.2 | Â | Â |
CBD diameter (mm) | ||||||||
 Min.–Max. | 6.0–22.0 | 6.0–18.0 | 12.0–22.0 | t=4.280* | < 0.001* | |||
 Mean ± SD. | 14.40 ± 3.93 | 12.67 ± 3.34 | 17.0 ± 3.31 | |||||
 Median (IQR) | 14.0 (12.0–16.0) | 13.0(9.50–16.0) | 17.0(14.0–20.0) | |||||