Table 1 Comparison of IPNB patients with intrahepatic and extrahepatic lesions
| Â | Lesion location | P | |
|---|---|---|---|
Intrahepatic (n = 21) | Extrahepatic (n = 22) | ||
Male/female (n) | 10/11 | 11/11 | 0.876 |
Age (years) | 62 (59–68) | 63 (50.3–71.3) | 0.884 |
BMI (kg/m2) | 23.8 ± 3.4 | 24.9 ± 3.5 | 0.312 |
Symptoms (n) | |||
 Abdominal pain | 10 | 8 | 0.455 |
 Jaundice | 11 | 15 | 0.289 |
 Fever | 11 | 6 | 0.092 |
Imaging features (n) | |||
 Choledocholithiasis | 4 | 2 | 0.412 |
 Hepatolithiasis | 5 | 0 | 0.021 |
 Biliary dilatation | 21 | 19 | 0.233 |
 Intraluminal mass | 6 | 14 | 0.021 |
 Biliary stricture | 4 | 5 | 1.000 |
 Biliary wall thickening | 2 | 7 | 0.132 |
Abnormal liver function (n) | 9 | 15 | 0.095 |
Abnormal bilirubin (n) | 4 | 15 | 0.001 |
CEA > 5 µg/L (n) | 5 | 5 | 1.000 |
CA19-9 > 34 U/mL (n) | 10 | 16 | 0.092 |
Operation time (min) | 226.5 ± 75.3 | 317.2 ± 93.2 | 0.002 |
Patients without surgery (n) | 1 | 4 | 0.345 |
Dysplasia / invasive carcinoma (n) | 10/11 | 10/12 | 0.887 |
Positive margin (n) | 3 | 2 | 0.664 |
Survival (n) | 8 | 9 | 0.850 |
Survival without tumor (n) | 7 | 8 | 0.835 |