TABLE 2:
Comparison of Sensitivity and Specificity in Neoadjuvant and Control Groups for Resectable Disease
| Criteria | Neoadjuvant Group | Control Group | ||||
|---|---|---|---|---|---|---|
| Reader 1 | Reader 2 | Reader 3 | Reader 1 | Reader 2 | Reader 3 | |
| Sensitivity for resectable disease (%) | 86 (6/7) | 71 (5/7) | 14 (1/7) | 90 (9/10) | 90 (9/10) | 60 (6/10) |
| Specificity (%) | 80 (4/5) | 100 (5/5) | 100 (5/5) | 57 (12/21) | 43 (9/21) | 76 (16/21) |
| Negative predictive value (%) | 80 (4/5) | 71 (5/7) | 46 (5/11) | 92 (12/13) | 90 (9/10) | 80 (16/20) |
| Positive predictive value (%) | 86 (6/7) | 100 (5/5) | 100 (1/1) | 50 (9/18) | 43 (9/21) | 54 (6/11) |
| Accuracy (%) | 83 (10/12) | 83 (10/12) | 50 (6/12) | 68 (21/31) | 58 (18/31) | 71 (22/31) |
| True-positive resectable (no. of cases) | 6 | 5 | 1 | 9 | 9 | 6 |
| True-negative unresectable (no. of cases) | 4 | 5 | 5 | 12 | 9 | 16 |
| False-positive (no. of cases) | 1 | 0 | 0 | 9 | 12 | 5 |
| False-negative (no. of cases) | 1 | 2 | 6 | 1 | 1 | 4 |
Note—Data in parentheses are number of cases diagnosed by reader/total number of cases according to surgical findings.