Prognostic Factors and Survival Time in Patients with Small Bowel Tumors: A Retrospective Observational Study

Table 2

Univariate and multivariate Cox regression model.

	Univariate analysis			Multivariate analysis
Factors	HR^1	95%CI^2	P value	HR	95%CI	P value
Sex
Female	Reference
Male	1.55	0.669-3.629
Age
<50	Reference
50-75	0.247	0.058-1.048	0.058
>75	0.793	0.310-2.032	0.629
Location
Duodenum	Reference
Jejunum	0.081	0.014-0.0462	0.003	1.125	0.23-2.146	0.948
Ileum	0.098	0.016-0.584	0.038	0.226	0.36-1.432	0.114
Metastasis
No	Reference
Yes	0.940	0.391-2.259	0.889
Grade
1	Reference
2	0.266	0.111-0.634	0.003	0.123	0.049-1.310	0.078
3	0.128	0.040-0.407	0.001	1.148	0.460-2.863	0.001
Treatment
None	Reference
Surgery	1.203	0.123-4.117	0.874
Chemotherapy and surgery	0.658	0.051-6.419	0.738