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Table 2 Univariate and multivariate analysis for relapse-free survival (RFS) in stage III GC patients after curative gastrectomy followed by adjuvant chemotherapy

From: Venous invasion as a risk factor for recurrence after gastrectomy followed by chemotherapy for stage III gastric cancer

 

Univariatea

Multivariateb

 

N

5-year RFSc

P-value

HRd

95% CIe

P-value

Sex

Male

61

46.1%

0.577

1.20

0.63–2.31

0.581

 

Female

36

36.0%

    

Age

<65

46

42.2%

0.824

1.39

0.76–2.53

0.285

 

≥65

51

41.9%

    

Tumor major axis(mm)

≥90

33

30.8%

0.092

1.46

0.71–3.21

0.109

 

<90

64

48.8%

    

T-stage

T4

70

38.9%

0.326

1.46

0.79–3.63

0.311

 

T2/ T3

27

50.1%

    

N-stage

N3

50

33.4%

0.339

1.51

0.82–2.84

0.187

 

N1/ N2

47

50.9%

    

Venous invasion

Present

48

36.5%

0.034

1.82

1.01–3.37

0.048

 

Absent

49

47.4%

    

Lymphatic invasion

Present

87

39.8%

0.168

1.51

0.56–5.28

0.445

 

Absent

10

40.0%

    
  1. aKaplan-Meier method: significance was determined by Wilcoxon test
  2. bMultivariate survival analysis was performed using Cox’s proportional hazard model
  3. cRFS Relative free survival
  4. dHR Hazard ratio
  5. eCI Confidence interval
  6. Significant values are in bold