The Incidence of Postoperative Complications after Gastrectomy Increases in Proportion to the Amount of Preoperative Visceral Fat

Table 3

Univariate and multivariate analyses of complications.

Variable	Univariate analysis		Multivariate analysis
	OR (95% CI)	value	OR (95% CI)	value
Visceral fat area
Per 1 cm^2	1.010 (1.007–1.014)	0.0003	1.009 (1.004–1.013)	0.0002
Operative procedure
TG	1.84 (1.21–2.80)	0.0038	1.79 (1.15–2.79)	0.010
Age
Per 1 year	1.031 (1.010–1.053)	0.0040	1.023 (0.99–1.047)	0.059
Sex
Male	2.52 (1.55–4.10)	0.0001	1.61 (0.94–2.77)	0.083
BMI (kg/m^2)
≥25	1.64 (1.05–2.58)	0.029	0.96 (0.53–1.73)	0.89
ASA score
≥3	2.40 (1.31–4.41)	0.0037	1.87 (0.97–3.62)	0.061
Diabetes mellitus
Yes	1.78 (1.02–3.11)	0.042	1.07 (0.58–1.98)	0.82
Sarcopenia
Yes	1.40 (0.91–2.15)	0.12	1.28 (0.78–2.10)	0.34
cStage
II	1.52 (0.91–2.51)	0.13	1.18 (0.69–2.02)	0.55
III	1.45 (0.85–2.46)	0.17	1.32 (0.74–2.35)	0.34
Subcutaneous fat (cm^2)
Per 1 cm^2	1.002 (0.99–1.006)	0.25
Serum albumin (g/dL)
≤3.5	1.32 (0.78–2.23)	0.29	—	—
NAC
Yes	0.89 (0.48–1.66)	0.72	—	—
Surgical approach
Open	1.40 (0.49–4.02)	0.53	—	—
Robotic	0.71 (0.29–1.73)	0.45	—	—
Lymph node dissection
D2	1.30 (0.87–1.95)	0.21	—	—

OR: odds ratio; CI: confidence interval; BMI: body mass index; ASA: American Society of Anesthesiologists; NAC: neoadjuvant chemotherapy; TG: total gastrectomy.