Effect of differences in vascular anatomy on surgical outcomes of left pancreatectomy: a retrospective study

Table 4 Univariate and multivariate analysis of risk factors for long operation time in MILP cases

	n	Univariate			Multivariate
	n	OR	95%CI	p-value	OR	95%CI	p-value
Age (years)			0.36–3.43	0.85
> 70	19	1.11
< 70	36	1
Sex		7.39	2.33–26.48	< 0.001***		2.61–38.65	< 0.001***
Male	25	1			9.07
Female	30				1
BMI (kg/m²)			0.63–6.46	0.25
> 24	18	1.96
< 24	37	1
ASA-PS	13		0.14–1.81	0.30
1	42	0.52
2/3		1
Pancreatic cancer		2.14	0.70–6.98	0.18
Yes	19	1
No	36
Tumor location		2.48	0.81–8.05	0.11
Body	35	1
Tail	20
Pancreatic resection line		3.06	1.04–9.51	0.04*		1.18–17.08	0.03*
Portal vein	28	1			4.12
Left side of aorta	27				1
Spleen preservation		0.43	0.12–1.49	0.19
Yes	11	1
No	44
The root of the SpA			0.60–6.04	0.29
Type1	37	1
Type2	18	1.85
Texture of the pancreatic parenchyma			0.18–2.64	0.64
Hard	16	0.71
Soft	39	1

LP left pancreatectomy, MIS minimally invasive surgery, BMI body mass index, ASA-PS American Society of Anesthesiologists physical status classification system, SpA splenic artery
The root of the SpA:
Type1 [in which the root of the SpA was upward and not covered by the pancreatic parenchyma]
Type2 [in which the root of the SpA was ventrally covered by the pancreatic parenchyma]
^*p < 0.05 **: p < 0.01 ***: p < 0.001

ISSN: 1477-7819