Table 4.

Logistic regression analysis predicting Warshaw SPDP and splenectomy (failure of Kimura SPDP)

	Univariate analysis		Multivariate analysis
	HR (95% CI)	P value	HR (95% CI)	P value
Approach
ODP	Ref
RDP	0.184 (0.125, 0.273)	< 0.001	0.265 (0.165, 0.425)	< 0.001
Age	1.011 (1.000, 1.021)	0.044	1.017 (1.002, 1.031)	0.022
Sex
Male	Ref
Female	0.840 (0.602, 1.173)	0.307
BMI	0.968 (0.928, 1.009)	0.125
ALB	0.980 (0.948, 1.012)	0.223
Abdominal surgery history	1.090 (0.660, 1.798)	0.737
ASA score
1	Ref
2	1.064 (0.739, 1.532)	0.739
3	2.416 (0.895, 6.519)	0.082
CA 19-9 (IU/L)
≤ 35	Ref
> 35	3.054 (1.339, 6.965)	0.008	2.548 (1.015, 6.393)	0.046
PV/SMV abutment	3,265,018.587 (0.000, Inf)	0.970
Tumor size	1.439 (1.308, 1.584)	< 0.001	1.443 (1.289, 1.614)	< 0.001
Pathology
Cystic neoplasm	Ref
Solid neoplasm (SPT and PNET)	0.921 (0.642, 1.322)	0.655	1.268 (0.812, 1.982)	0.297
IPMN	1.200 (0.696, 2.070)	0.512	1.303 (0.681, 2.492)	0.424
Inflammatory neoplasm	5.500 (2.291, 13.203)	< 0.001	4.477 (1.692, 11.845)	0.003
Others	0.812 (0.415, 1.588)	0.542	0.913 (0.402, 2.074)	0.827
Tumor location
Tail	Ref
Body–tail junction	1.237 (0.807, 1.897)	0.329	1.487 (0.886, 2.494)	0.133
Body and neck	1.449 (1.018, 2.063)	0.040	1.692 (1.099, 2.607)	0.017
Operative time	1.008 (1.005, 1.011)	< 0.001	0.999 (0.995, 1.003)	0.554
Estimated blood loss	1.004 (1.003, 1.006)	< 0.001	1.003 (1.001, 1.004)	0.001

P values < 0.05 indicate a significant difference between the two groups are given in bold