Preoperative

n (%) 

Postoperative

n (%) 

p-value 

Sarcopenic patients

21        (62)

25         (74)

0.073

SMI (cm²m²)

47.9      (36.1-54.9)

43.4      (35.7-51.1)

0.008

SMI (cm²m²) of patients classified as non-sarcopenic after surgery SMI

57.4      (46.8-61.7)

54.2      (46.2-61.2)

0.002

SMI (cm²m²) of patients classified as sarcopenic after surgery

43.6      (35.2-50.9)

39.2      (34.1-47.9)

< 0.001