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Table 1 Patient characteristics

From: Does the primary tumour location affect the prognosis of patients with colorectal cancer peritoneal metastases treated with cytoreductive surgery and hyperthermic intraperitoneal chemotherapy?

Characteristics

Total (n = 70)

Rectum (n = 18)

Colon (n = 52)

P

Age at operation (years, mean ± SD)

54.5 ± 11.6

52.7 ± 12.2

55.2 ± 11.6

0.451

Sex (%)

   

0.571

 Male

39 (55.7)

9 (50.0)

30 (57.7)

 

 Female

31 (44.3)

9 (50.0)

22 (42.3)

 

Body mass index (kg/m2, mean ± SD)

22.7 ± 3.6

23.8 ± 3.9

22.8 ± 3.5

0.665

Comorbidity

18 (25.7)

4 (22.2)

14 (26.9)

0.936

 Hypertension

10 (14.3)

2 (11.1)

8 (15.4)

 

 Diabetes

6 (8.6)

2 (11.1)

4 (7.7)

 

 Coronary heart disease

2 (2.9)

1 (5.5)

1 (1.9)

 

 Arrhythmia

4 (5.7)

0 (0)

4 (7.7)

 

 Others

6 (8.6)

1 (5.5)

5 (9.6)

 

Preoperative chemotherapy (%)

   

0.477

 Presence

30 (42.9)

9 (50.0)

21 (40.4)

 

 Absence

40 (57.1)

9 (50.0)

31 (59.6)

 

Presentation of PM (%)

   

0.118

 Synchronous

42 (60.0)

8 (44.4)

34 (65.4)

 

 Metachronous

28 (40.0)

10 (55.6)

18 (34.6)

 

T stage

   

0.954

 T1–T2

5 (11.9)

1 (12.5)

4 (11.8)

 

 T3–T4

37 (88.1)

7 (87.5)

30 (88.2)

 

N stage

   

0.482

 N0

2 (4.8)

0 (0)

2 (5.9)

 

 N1–N2

40 (95.2)

8 (100.0)

32 (94.1)

 

Preoperative CEA level (ng, mean ± SD)

31.9 ± 61.5

16.6 ± 27.2

37.2 ± 69.8

0.290

Preoperative CA19-9 level (ng, mean ± SD)

75.4 ± 93.3

69.2 ± 112.4

77.5 ± 88.4

0.780

Histology (%)

   

0.275

 Adenocarcinoma

43 (61.4)

13 (72.2)

30 (57.7)

 

 Mucinous

27 (38.6)

5 (27.8)

22 (42.3)

 

Tumour grade

   

0.370

 Moderate

26 (37.1)

8 (44.4)

17 (32.7)

 

 Poor

44 (62.9)

10 (55.6)

35 (67.3)

 

Adjuvant chemotherapy

   

0.924

 Presence

55 (78.6)

14 (77.8)

41 (78.8)

 

 Absence

15 (21.4)

4 (22.2)

11 (21.2)

 

BRAF status

   

0.809

 Mutation

13 (18.6)

3 (16.7)

10 (19.2)

 

 No mutation

57 (81.4)

15 (83.3)

42 (80.8)

 

MSI

   

0.961

 MSI-H

8 (11.4)

2 (11.1)

6 (11.5)

 

 MSS

62 (88.6)

16 (88.9)

46 (88.5)

 
  1. Note: SD standard deviation, PM standard peritoneal metastasis