|
Variables
|
Values
|
Range or percent
|
|---|
|
Total no. of patients
|
91
| |
|
Age, years (median)
|
61
|
38–82
|
|
< 70
|
78
|
85.7%
|
|
≥ 70
|
13
|
14.3%
|
|
Gender
|
|
Male
|
61
|
67.0%
|
|
Female
|
30
|
33.0%
|
|
Clinical tumor depth
|
|
T2
|
4
|
4.2%
|
|
T3
|
85
|
93.4%
|
|
T4
|
2
|
2.2%
|
|
Clinical lymph node metastases
|
|
N0
|
41
|
45.0%
|
|
N1
|
28
|
30.8%
|
|
N2
|
22
|
24.2%
|
|
Histological classification
|
|
High differentiation
|
11
|
12.1%
|
|
Moderate differentiation
|
76
|
83.5%
|
|
Low differentiation
|
4
|
4.4%
|
|
Treatment response
|
|
CR
|
0
|
0.0%
|
|
PR
|
56
|
61.5%
|
|
SD
|
28
|
30.8%
|
|
PD
|
7
|
7.7%
|
|
Post-operation pathological response
|
|
Response (pCR + pPR)
|
20
|
22.0%
|
|
Non-response
|
71
|
78.0%
|
- CR complete response, PR partial response, SD stable disease, PD progressive disease, pCR pathological complete response, pPR pathological partial response
