Comprehensive abdominal composition evaluation of rectal cancer patients with anastomotic leakage compared with body mass index-matched controls

Table 2 Comparison of abdominal parameters in patients with anastomotic leakage and controls

Variables	Controls (n = 78)	AL patients (n = 78)	P value
BMI (SD), kg/m2	23.05 (3.05)	23.17 (2.88)	0.797
AC, mean (SD), cm	87.00 (10.94)	89.71 (14.20)	0.120
SFA, mean (SD), cm2	108.72 (54.12)	113.72 (55.87)	0.571
SFT, mean (SD), mm	18.68 (8.20)	18.03 (7.31)	0.601
SMA, mean (SD), cm2	127.89 (29.57)	132.06 (33.40)	0.410
SMI, mean (SD), cm2/m2	46.00 (8.81)	47.10 (10.57)	0.482
VFA, mean (SD), cm2	97.03 (57.66)	125.68 (73.59)	0.008
APD, mean (SD), mm	92.09 (26.40)	77.30 (23.23)	< 0.001
TD, mean (SD), cm	24.21 (2.90)	22.90 (2.23)	0.002

BMI: Body mass index; SD: Standard deviation; AC: Abdominal circumference; SFA: Subcutaneous fat area; SFT: Subcutaneous fat thickness; SMA: Skeletal muscle area; SMI: Skeletal muscle index (SMA/height²); VFA: Visceral fat area; APD: Anterior to posterior diameter of abdominal cavity; TD: Transverse diameter of abdominal cavity; AL: Anastomotic leakage.