Total (n = 64)

Sarcopenic (n = 38)

Non-sarcopenic (n=26)

p-value

Participants (n)
   Male
   Female

41
23

24
14

17
9

1.000

Age (years)

62 (53-68)

59 (47-68)

63 (57-68)

0.292

Time between CT scan and surgery date (days)

39 (27-64)

33 (25-63)

46 (30-67)

0.286

Cancer diagnosis
  Primary rectal cancer
  Recurrent rectal cancer
  Primary other
  Recurrent other

Total rectal cancer

Total other cancer

21
26
3
14

47

17

15
17
2
4

32

6

6
9
1
10

15

11

0.065

0.038*

Type of surgery
  Partial Pelvic Exenteration
  Complete Pelvic Exenteration

21
43

13
25

8
18

0.986

Preoperative Nutritional Status
PG-SGA - A
PG-SGA - B or C

Total PG-SGA numerical score

45
19

4.0 (1.8-8.3)

22
16

6.0 (2.0-10.0)

23
3

3.0 (1.3-4.8)

0.019*


0.032*

Preoperative weight (kg)

77.6 ± 17.1

72.1 ± 17.5

85.6 ± 12.9

0.001*

Preoperative BMI (kg/m2)

27.1 ± 5.2

24.8 ± 4.5

30.5 ± 4.1

<0.0001*

Handgrip strength (kg)

32.0 (25.5-37.5)

32.0 (22.5-36.8)

33.5 (31.0-38.5)

0.173

Handgrip strength (% of expected handgrip strength)

87.9 ± 20.7

85.6 ± 21.2

91.3 ± 19.8

0.279