Table 2.
Accuracy of endoscopic ultrasonography (EUS) for T staging
| EUS stage |
Pathological stage |
|
EUS stage |
Pathological stage |
|
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| T1 | T2 | T3 | T4 | Total | T1a | T1b | T2a | T2b | T3 | T4 | Total | ||
| T1 |
155 |
9 |
3 |
0 |
174 |
T1a |
34 |
11 |
0 |
0 |
0 |
0 |
46 |
| T2 |
36 |
37 |
5 |
0 |
87 |
T1b |
60 |
50 |
6 |
3 |
3 |
0 |
128 |
| T3 |
1 |
22 |
25 |
2 |
45 |
T2a |
11 |
21 |
16 |
9 |
2 |
0 |
64 |
| T4 |
0 |
2 |
12 |
0 |
3 |
T2b |
2 |
2 |
4 |
8 |
3 |
0 |
23 |
| |
|
|
|
|
|
T3 |
0 |
1 |
9 |
13 |
25 |
2 |
45 |
| |
|
|
|
|
|
T4 |
0 |
0 |
1 |
1 |
12 |
0 |
3 |
| Total |
192 |
70 |
45 |
2 |
309 |
Total |
107 |
85 |
36 |
34 |
45 |
2 |
309 |
| Overall accuracy, % |
|
|
70.2 |
|
|
|
43.0 |
|
|
|
|
|
|
| Overall accuracy, % 1 | – | 41.2 | |||||||||||
1pT1a–pT2b; n = 262.