Table 3 Logistic regression of preoperative parameters for non-resectability due to oncological reasons/liver function

Demographics

 Sex (male = 1)

0.503

 Age (≤ 70 years = 1)

0.223

 BMI (≤ 25 kg/m² = 1)

0.976

 Bismuth type (I/II = 1)

0.454

 Neoadjuvant therapy (no = 1)

0.425

 Preoperative MRI-Imaging (no = 1)

0.776

 PVE (no = 1)

2.62 (1.21–5.67)

0.009

4.67 (1.31–16.69)

0.018

 ASA (I/II = 1)

0.341

 Preoperative cholangitis (no = 1)

0,541

 EBD (no = 1)

0.93

 PBD (no = 1)

0.786

 Portal vein infiltration > 180° (no = 1)

0.575

 Arterial infiltration > 180° (no = 1)

2.29 (1.78–4.48)

0.017

3.24 (1.26–8.31)

0.015

 Lobar atrophy (no = 1)

0.687

 sFLR (≤ 40% = 1)

0.109

Clinical chemistry

 Albumin (≤ 35 g/l = 1)

0.888

 AST (≤ 50 U/l = 1)

0.239

 ALT (≤ 50 U/l = 1)

0.755

 GGT (≤ 400 U/l = 1)

0.593

 Bilirubin (≤ 1 mg/dl = 1)

0.167

 Alkaline phosphatase (≤ 250 U/l = 1)

0.678

 Platelet count (≤ 300/nl = 1)

0.521

 INR (≤ 1 = 1)

0.698

 Hemoglobin (≤ 12 g/dl = 1)

0.08

 CRP, mg/l (≤ 10 mg/l = 1)

0.404

 CA 19–9 U/ml (≤ 250 U/ml = 1)

3.91 (1.71–8.93)

0.001

3.2 (1.33–7.69)

0.009