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Table 1 Clinicopathological characteristics

From: Early postoperative decrease of skeletal muscle mass predicts recurrence and poor survival after surgical resection for perihilar cholangiocarcinoma

Preoperative variables

 Age, years

70 [39–81]

 Sex, male

38 (68%)

 BMI, kg·m− 2

21.4 [15.0–30.5]

 ASA score ≥ 2

44 (79%)

 Charlson comorbidity index ≥ 2

5 (9%)

 Preoperative biliary drainage

38 (68%)

 Portal vein embolization

31 (55%)

 Serum total bilirubin, mg/dL

0.9 [0.3–4.0]

 Serum albumin, g/dL

3.7 [2.7–5.0]

 Serum CA 19–9, U/mL

58.9 [0.2–6121.0]

Intraoperative variables

 Hepatectomy of more than 4 segments

34 (61%)

 Operation time, min

500 [317–760]

 Blood loss, mL

1423 [270–6756]

 Blood transfusion

26 (46%)

Postoperative course

 Major complications (Clavien grade ≥ IIIa)

22 (39%)

 Surgical site infection

26 (46%)

 Bile leakage (ISGLS grade B/C)

9 (16%)

 Liver failure (ISGLS grade B/C)

13 (23%)

 Length of hospitalization, days

20 [10–70]

Pathological data

 Tumor size, mm

26 [9–65]

 T3/4 (UICC 8th)

16 (29%)

 Lymph node metastasis

23 (41%)

 R1 resection

24 (43%)

  1. ASA American Society of Anesthesiologists classification, BMI body mass index, CA 19–9 carbohydrate antigen 19–9, EBDR extrahepatic bile duct resection and reconstruction, ISGLS International Study Group of Liver Surgery, PD pancreaticoduodenectomy, UICC Union for International Cancer Control