Table 1 Baseline characteristics and perioperative data

Age (years)

56 (43–61)

Female sex

45 (45.5%)

Body mass index (kg/m²)

21.70 ± 3.76

Pre-existing co-morbidity

 Hypertension

22 (22.2%)

 Diabetes mellitus

9 (9.1%)

 Cerebrovascular accident

2 (2.0%)

 Chronic kidney disease

1 (1.0%)

European Cooperative Oncology Group Performance Status

1 (0–2)

Primary tumor type

 Colorectal cancer

66 (66.7%)

 Mesothelioma or pseudomyxoma peritonei

8 (8.1%)

 Stomach cancer

18 (18.2%)

 Appendiceal cancer

3 (3.0%)

 Others

4 (4.0%)

Preoperative albumin (g/dL)

3.98 ± 0.51

Bioelectric impedance analysis parameters

 Total body water (L)

32.6 (27.1–38.6)

 Intracellular water (L)

20.36 ± 4.30

 Extracellular water (L)

13.0 (10.8–14.8)

  Protein (kg)

8.81 ± 1.86

  Mineral (kg)

3.08 ± 0.62

  Fat (kg)

16.21 ± 7.31

  Skeletal muscle mass (kg)

24.56 ± 5.59

  Total body water/fat-free mass (%)

73.7 (73.4–73.9)

  Phase angle (°)

5.22 ± 0.95

Preoperative PCI score

12 (6–18)

 Preoperative PCI score > 20

16 (16.2%)

 Preoperative PCI score 15–20

22 (22.2%)

 Preoperative PCI score < 15

61 (61.6%)

Intraoperative PCI score

14 (6.5–28.5)

 Intraoperative PCI score > 20

36 (36.4%)

 Intraoperative PCI score 15–20

11 (11.1%)

 Intraoperative PCI score < 15

52 (52.5%)

Completeness of cytoreduction score

0 (0–2)

 Completeness of cytoreduction score 0–1

72 (72.7%)

 Completeness of cytoreduction score 2–3

27 (27.3%)

Surgery time (min)

546.43 ± 21.95

Intraoperatively administered fluid (mL)

6350 (4500–8300)

Intraoperatively transfused packed red blood cells (mL)

0 (0–500)

Intraoperative urine output (mL)

1090 (685–1600)

Intraoperative bleeding (mL)

900 (400–1800)

Length of intensive care unit stay (day)

1 (1–1)

Length of hospital stay (days)

15 (13–18)

Postoperative 30-day morbidity

 Clavien–Dindo grades 3 and 4

11 (11.1%)

 Re-admission

16 (16.2%)

 In-hospital mortality

2 (2.0%)

One-year mortality

13 (13.1%)

Overall mortality

31 (31.3%)