Table 6 Analysis of prognostic factors associated with OS

Group

 URY

138

 RY

104

2.808 (1.630–4.836)

< 0.001

1.639 (0.892–3.013)

0.111

Gender

 Female

71

 Male

171

1.696 (0.898–3.203)

0.103

Age (years)

 ≤ 60

97

 > 60

145

1.514 (0.875–2.622)

0.138

ASA

 I–II

187

 III

55

0.666 (0.327–1.355)

0.262

T-stage

 T1 + T2

109

 T3 + T4

133

14.577 (5.274–40.291)

< 0.001

3.264 (0.983–10.837)

0.053

LN metastasis

 No

125

 Yes

117

8.146 (3.992–16.623)

< 0.001

3.141 (0.961–10.265)

0.058

TNM

 I + II

149

 III

93

11.649 (5.870–23.119)

< 0.001

3.179 (1.014–9.966)

0.047

Differentiation degree

 High + Medium

134

 Low

108

1.255 (0.749–2.100)

0.388

Overall short-term complications

 No

194

 Yes

48

1.890 (1.071–3.334)

0.028

1.687 (0.891–3.196)

0.109

Overall long-term complications

 No

182

 Yes

60

3.679 (2.197–6.162)

< 0.001

1.956 (0.803–4.764)

0.140

RSS

 No

209

 Yes

33

5.872 (3.441–10.020)

< 0.001

3.956 (1.599–9.787)

0.003