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Table 2 Demographics between unresectable and successful groups

From: P.R.O.P.S. — A novel Pre-Operative Predictive Score for unresectability in patients with colorectal peritoneal metastases being considered for cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC)

Variables

Unresectable (n = 4)

Successful (n = 27)

P value

Age (mean)

49 (SD = 5.6)

49 (SD = 2.6)

0.97

Gender (female)

25% (1/4)

63% (17/27)

0.28

Race

  

0.21

 Chinese

50%(2/4)

81.5% (22/27)

 

 Malay

0% (0/4)

0% (0/27)

 

 Indian

0% (0/4)

0% (0/27)

 

 Others

50% (2/4)

18.5% (5/27)

 

ECOG

  

0.55

 0

75% (3/4)

59% (16/27)

 

 1

25% (1/4)

41% (11/27)

 

Overall comorbidity

 Cardiovascular

25% (1/4)

30% (8/27)

0.85

 Pulmonary

100% (4/4)

11% (3/27)

0.78

 Diabetes mellitus

0% (0/4)

19% (5/27)

0.35

Primary tumour location

  

0.50

 Right-sided

75% (3/4)

44% (12/27)

 

 Left-sided

25% (!/4)

48% (13/27)

 

 Rectal

0% (0/4)

7% (2/27)

 

Histology

  

0.00*

 Signet ring cell

50% (2/4)

0% (0/27)

 

 Mucinous

50% (2/4)

26% (7/27)

 

 Adenocarcinoma

  Well differentiated

0% (0/4)

7% (2/27)

 

  Moderate differentiated

0% (0/4)

59% (16/27)

 

  Poor differentiated

0% (0/4)

7% (2/27)

 

PCI score (mean)

24 (SD = 2.6)

10 (SD = 1.1)

0.00*

Completeness of cytoreduction

  

NA

 CC-0

NA

41% (11/27)

 

 CC-1

NA

52% (14/27)

 

 CC-2

NA

7% (2/27)

 
  1. *Statistically significant results as P value is less than 0.05