Table 4.

Multivariate Cox regression analysis for postoperative progression.

Variables	Recurrence multivariate analysis		Metastasis multivariate analysis		Death multivariate analysis
	HR (95% CI)	p	HR (95% CI)	p	HR (95% CI)	p
Post-op CA19-9 (u/ml):≤ 37 vs>37	7.11 (1.23-40.90)	0.028*	NA.		NA.
T stage: T1-T2 vs T3	4.37 (0.75-25.55)	0.10	NA.		NA.
Lymph node invasion: N0 vs N1-N2	NA.		5.01 (1.28-19.54)	0.020*	2.531 (0.78-8.18)	0.12
Differentiation: High vs Middle and low	NA.		0.67 (0.20-2.27)	0.52	NA.
PoV E>M H-CTC (per 5ml): <3 vs ≥ 3	1.22 (0.11-13.08)	0.870	NA.		NA.
PoV T-CTC (per 5ml): <14 vs ≥ 14	3.84 (0.48-30.28)	0.202	NA.		NA.
PoV E-CTC (per 5ml): <5 vs ≥ 5	0.58 (0.094-3.64)	0.56	NA.		NA.
PoV M-CTC (per 5ml): <1 vs ≥ 1	NA.		6.795 (1.89-24.39)	0.003*	3.100 (1.03-9.27)	0.043*

NA, no application.

Bold values indicate that the results were statistically significant.