Comparison of Anthropometric Parameters after Ultralow Anterior Resection and Abdominoperineal Resection in Very Low-Lying Rectal Cancers

Table 3

Risk factors of weight loss at 3 years after the operation compared with the preoperative body weight.

Parameters	Univariate analysis		Multivariate analysis
	β-Coefficient (95% CI)	value	β-Coefficient (95% CI)	value
Age	1.04 (0.97–1.11)	0.31
Sex: female	1.16 (0.30–4.40)	0.831
PCRT	0.39 (0.03-4.74)	0.46
Ligation of IMA (high)	3.03 (0.75–12.21)	0.12
Adjuvant chemotherapy	0.83 (0.05–14.48)	0.9
Adjuvant radiation therapy	1.20 (0.07–20.85)	0.9
Clinical T category	1.07 (0.23–4.92)	0.93
Type of surgery (uLAR)	12.13 (2.41–61.20)	0.003	10.147 (1.01–101.8)	0.049
Length from AV	3.57 (1.22–10.42)	0.02	1.2 (0.25–5.61)	0.835

. PCRT: preoperative chemoradiation therapy; IMA: inferior mesenteric artery; uLAR: ultralow anterior resection; AV: anal verge.