Table 8 Positive predictive value (PPV), sensitivity and specificity of preoperative CT plus EUS in identifying the pathologic stage in patients with locally advanced rectal cancer
Combined CT plus EUS | |||
|---|---|---|---|
PPV | Sensitivity | Specificity | |
T stage | |||
T0 | - | - | 100 (68/68) |
T1 | - | - | 95 (71/75) |
T2 | 29 (5/17) | 24 (5/21) | 80 (47/59) |
T3 | 58 (30/52) | 56 (30/54) | 15 (4/26) |
T4 | - | 97 (66/68) | |
N stage | 17 (2/12) | 3 (2/60) | 41 (7/17) |
TNM stage | |||
0 | - | - | 100 (68/68) |
I | 50 (9/18) | 37 (9/24) | 84 (47/56) |
II | 45 (20/44) | 67 (20/32) | 50 (24/48) |
III | - | - | 87 (61/70) |
IV | - | - | 100 (78/78) |