You are viewing the site in preview mode
Skip to main content
|
Characteristic
|
Classification
|
Total (N = 68)
|
Group A (N = 35)
|
Group B (N = 33)
|
χ2 value
|
P value
|
|---|
|
Sex
|
Male
|
63
|
33
|
30
|
0.2843
|
0.5939
|
|
Female
|
5
|
2
|
3
|
|
Age (years)
|
≤ 60
|
50
|
26
|
24
|
0.1675
|
0.8970
|
|
> 60
|
18
|
9
|
9
|
|
Subsite
|
Pyriform sinus
|
27
|
14
|
13
|
0.0217
|
0.9892
|
|
Post-cricoid region
|
23
|
12
|
11
|
|
Posterior wall
|
18
|
9
|
9
|
|
Differentiation
|
High
|
14
|
8
|
6
|
0.3084
|
0.8571
|
|
Moderate
|
35
|
18
|
17
|
|
Poor
|
19
|
9
|
10
|
|
N classification
|
N0
|
19
|
8
|
11
|
0.4786
|
0.4890
|
|
N1–3
|
49
|
27
|
22
|
|
Drinking
|
Yes
|
42
|
22
|
20
|
0.0035
|
0.9532
|
|
No
|
26
|
13
|
13
|
|
Smoking
|
Yes
|
47
|
26
|
21
|
0.4725
|
0.4918
|
|
No
|
21
|
9
|
12
|
