Table 3.

Predictive factor for the recurrence within six months after CS (Univariate and multivariate logistic regression analyses).

Variables	Univariate Analysis		p-Value	Multivariate Analysis		p-Value
	HR	95% CI		HR	95% CI
UR-M vs. UR-LA	1.16	0.19–7.37	0.87			0.07
Pbt vs. Ph	4.99	0.68–102	0.12			0.07
Tumor Size (>35 mm vs. <35 mm)	5.83	0–0.40	0.007	2.16	0–2.31	0.003
Pretreatment period (<8 m vs. >8 m)	2.22	0.29–46.22	0.47			0.38
Reduction of CA19-9 or DUPAN-2 (<70% vs. >70%)	5.99	0.80–50.84	0.08			0.38
LN mets (+) vs. (−)	4.29	0.58–88.2	0.16	4.5	0.40–11.10	0.01
R0 vs. R1	3.11	0–4.00	0.25			0.99
CY (+) vs. (−)	2.74	0.31–20.3	0.34	1.11	0.56–1.70	<0.0001
Evans I-IIa vs. IIb-IV	1.47	0.24–11.9	0.68			0.46
Adjuvant Tx (−) vs. (+)	1.36	0.16–8.74	0.76	2.96	0.32–3.06	0.0029

CS: conversion surgery, HR: hazard ratio, CI: confidential interval, LN: lymph node, R: residual tumor, CY: washing cytology, Tx: chemotherapy.