| |
Training set
|
Testing set
|
P Value
|
|---|
| |
Patients
|
Patients
|
|---|
|
Factor
|
No.
|
%
|
No.
|
%
| |
|---|
|
All patients
|
414
|
100
|
609
|
100
| |
|
Age (years)
| | | | |
0.639
|
|
≤45
|
242
|
58.5
|
347
|
57.0
| |
|
>45
|
172
|
41.5
|
262
|
43.0
| |
|
Age (years)
| | | | |
0.079
|
|
≤55
|
357
|
86.2
|
500
|
84.0
| |
|
>55
|
57
|
13.8
|
109
|
16.0
| |
|
Gender
| | | | |
0.196
|
|
Female
|
305
|
73.7
|
426
|
82.1
| |
|
Male
|
109
|
26.3
|
183
|
17.9
| |
|
Postoperative RAI
| | | | |
0.655
|
|
Yes
|
228
|
55.1
|
344
|
56.5
| |
|
No
|
186
|
44.9
|
265
|
43.5
| |
|
Race
| | | | |
0.971
|
|
Han
|
403
|
97.3
|
593
|
97.4
| |
|
Tibetan
|
3
|
0.7
|
6
|
1.0
| |
|
Other†
|
8
|
1.9
|
10
|
1.6
| |
|
Smoking
| | | | |
0.603
|
|
Never
|
352
|
84.5
|
508
|
83.4
| |
|
Quit
|
17
|
4.1
|
23
|
3.8
| |
|
Ongoing
|
45
|
10.9
|
78
|
12.8
| |
|
Alcohol use
| | | | |
0.027
|
|
Never
|
358
|
86.0
|
490
|
80.5
| |
|
Quit
|
3
|
0.7
|
14
|
2.3
| |
|
Ongoing
|
53
|
12.8
|
105
|
17.2
|
|
BRAF mutation
| | | | |
0.030
|
|
Positive
|
51
|
12.3
|
128
|
21.0
| |
|
Negative
|
77
|
18.6
|
88
|
14.4
| |
|
Unknown
|
286
|
68.6
|
393
|
64.5
|
|
T classification
| | | | |
0.016
|
|
T1
|
160
|
38.6
|
197
|
32.3
| |
|
T2
|
11
|
2.7
|
13
|
2.1
| |
|
T3
|
188
|
45.4
|
294
|
48.3
| |
|
T4
|
55
|
13.3
|
105
|
17.2
| |
|
N classification
| | | | |
0.605
|
|
N0
|
196
|
47.3
|
293
|
48.1
| |
|
N1a
|
156
|
37.7
|
197
|
32.3
| |
|
N1b
|
62
|
15.0
|
119
|
19.5
| |
|
Distant metastasis
| | | | |
0.361
|
|
No
|
410
|
99.0
|
599
|
98.4
| |
|
Yes
|
4
|
1.0
|
10
|
1.6
| |
|
PTC number
| | | | |
0.135
|
|
Single
|
355
|
85.7
|
536
|
88.0
| |
|
Multiple
|
59
|
14.3
|
73
|
12.0
| |
|
Bilateral lobe PTC
| | | | |
0.010
|
|
Yes
|
47
|
11.4
|
41
|
6.7
| |
|
No
|
367
|
88.6
|
568
|
93.3
|
