Table 3 Multivariate analysis for overall survival (OS) and cancer-specific survival (CSS) among patients with small bowel adenocarcinoma who had liver metastasis

Age

 < 40

Reference

Reference

 40–59

0.81 (0.48–1.36)

0.77 (0.45–1.29)

 60–79

0.95 (0.58–1.58)

0.83 (0.50–1.37)

 ≥ 80

1.52 (0.89–2.62)

1.39 (0.80–2.40)

Race

 Black

Reference

Reference

 White

1.14 (0.90–1.45)

1.15 (0.90–1.48)

 Others^a

1.00 (0.66–1.52)

1.09 (0.71–1.67)

Primary site

 Duodenum

Reference

Reference

 Jejunum

0.65 (0.46–0.92)

0.61 (0.43–0.88)

 Ileum

0.81 (0.55–1.21)

0.86 (0.57–1.28)

 Other site^b

0.42 (0.15–1.15)

0.46 (0.17–1.27)

 Unknown

0.96 (0.72–1.27)

0.97 (0.72–1.29)

T stage

 T1

Reference

Reference

 T2

1.36 (0.62–2.98)

1.52 (0.69–3.35)

 T3

0.77 (0.53–1.11)

0.75 (0.51–1.11)

 T4

1.02 (0.76–1.37)

1.02 (0.75–1.38)

 Unknown

1.30 (0.99–1.70)

1.37 (1.03–1.82)

N stage

 N0

Reference

Reference

 N1

0.93 (0.74–1.16)

0.94 (0.75–1.19)

 N2

0.93 (0.66–1.32)

0.98 (0.68–1.40)

 Unknown

0.96 (0.73–1.27)

0.93 (0.69–1.24)