Osteopontin Expression Is Associated with the Poor Prognosis in Patients with Locally Advanced Esophageal Squamous Cell Carcinoma Receiving Preoperative Chemoradiotherapy

Table 3

Associations between pathological complete response and clinicopathologic parameters.

Parameters	Pathological complete response
	Present	Absent	value
Age
<53 y/o	9	30	0.53
≧53 y/o	12	29
Clinical 7th AJCC stage
II	8	13	0.15
III	13	46
Clinical T classification
T2/3	16	27	0.016
T4	5	32
Clinical N classification
N0	6	14	0.66
N1/2/3	15	45
Clinical N classification
N0/1	15	30	0.10
N2/3	6	29
Tumor grade
Grade 1/2	15	44	0.78
Grade 3	6	15
Primary tumor location
Upper/middle	9	37	0.11
Lower	12	22
Osteopontin
Low expression	15	27	0.043
Overexpression	6	32

Statistically significant.