Postoperative sarcopenic patients (n = 25)

Postoperative non-sarcopenic patients (n = 9)

p-value

Gender

• Male 
• Female 

17        (68%)
8          (32%)

6          (67%)

3          (33%)

0.969

Age (years)

61        (52-67)

67        (61-75)

0.06

Height (cm)

175       (161-180)

163       (158-169)

0.05

Preoperative weight (kg)

75.2      (61.5-83.4)

88.5      (80.4-95.4)

0.015

Preoperative BMI (kg/m²)

24.3      (22.7-27.3)

31.7      (30.0-36.1)

<0.001

Preoperative PG-SGA score

4.0       (1.5-10.5)

3.0       (2.0-4.0)

0.298

Preoperative PG-SGA

• A (well nourished)
• B/C (malnourished)

15        (60%)

10        (40%)

8          (88.9%)

1          (11.1%)

0.216

Preoperative HGS (% predicted)

82.8      (76.2-106.4)

84.8      (74.5-107.1)

0.759

Preoperative SMI (cm²m²)

43.6      (35.2-50.9)

57.4      (46.8-61.7)

0.001

Preoperative sarcopenia

21        (84%)

4          (16%)

<0.001

Surgical resection

• Complete 
• Partial 

17        (68%)

8          (32%)

9          (100%)

0          (0%)

0.163

Type of cancer

• Primary rectal
• Rectal recurrence
• Primary other
• Recurrent other

7          (28%)

12        (48%)

2          (8%)

4          (16%)

1          (11%)

5          (56%)

1          (11%)

2          (22%)

0.397

Rectal or other cancer

• Rectal
• Other

19        (76%)

6          (24%)

6          (67%)

3          (33%)

0.701