Table 3. Prognostic factors for survival by univariate analysis.

Factors	Patients (n)	Mean survival	Standard error	95% Confidence Interval (CI)	p value
Age (years)
<65	67	39.4	3.4	26.4–42.1	0.51
≧65	36	24.6	5.1	20.9–39.9
Gender
Male	55	32.0	3.6	24.8–39.1	0.64
Female	48	36.3	6.2	24.1–48.4
Serum CA19-9 level (U/L)
≤37	17	40.2	7.5	25.4–55.0	0.39
>37	86	31.2	3.3	24.7–37.8
Serum miR-106a level
≤1	57	11.4	1.2	9.1–13.7	<0.01
>1	46	45.0	3.8	37.5–52.5
Radical resection
Yes	60	43.7	4.1	35.7–51.9	<0.01
No	43	17.4	3.7	10.2–24.6
Neural invasion
Yes	65	31.0	4.8	21.7–40.3	0.57
No	38	33.6	4.0	25.7–41.4
Tumor diameter (cm)
<3	48	34.2	4.2	26.0–42.6	0.31
≧3	55	32.0	4.5	23.2–40.7
Lymph node metastasis
Yes	45	17.7	3.8	10.2–25.2	<0.01
No	58	40.5	3.8	33.1–47.9
Well differentiation
Yes	6	29.2	8.8	12.1–46.4	0.93
No	97	32.8	3.2	26.5–39.0
p53
Positive	37	34.7	6.3	22.4–47.0	0.77
Negative	66	32.7	3.6	25.7–39.7
MUC1
Positive	42	26.9	4.2	18.6–35.2	0.20
Negative	61	36.9	4.2	28.6–45.2