Table 2 Margin-negative (R0) resection rate and CT resectability status assessed on each pancreas CT protocol
CT resectability | Resection margin status | Standard protocol CT | High-resolution CT | P-value | |
|---|---|---|---|---|---|
Reader 1 | Resectable | R0 | 25/28 (89.3%) | 22/25 (88.0%) | 0.883 |
R1 or R2 | 3/28 (10.7%) | 3/25 (12.0%) | 0.883 | ||
Borderline resectable | R0 | 14/20 (70.0%) | 16/20 (80.0%) | 0.465 | |
R1 or R2 | 6/20 (30.0%) | 4/20 (20.0%) | 0.465 | ||
Locally advanced | R0 | 12/21 (57.1%) | 13/24 (54.2%) | 0.841 | |
R1 or R2 | 9/21 (42.9%) | 11/24 (45.8%) | 0.841 | ||
Reader 2 | Resectable | R0 | 35/40 (87.5%) | 29/32 (90.6%) | 0.675 |
R1 or R2 | 5/40 (12.5%) | 3/32 (9.4%) | 0.675 | ||
Borderline resectable | R0 | 9/13 (69.2%) | 11/19 (57.9%) | 0.515 | |
R1 or R2 | 4/13 (30.8%) | 8/19 (42.1%) | 0.515 | ||
Locally advanced | R0 | 7/16 (43.8%) | 11/18 (61.1%) | 0.311 | |
R1 or R2 | 9/16 (56.2%) | 7/18 (38.9%) | 0.311 | ||
Reader 3 | Resectable | R0 | 29/33 (87.9%) | 27/29 (93.1%) | 0.488 |
R1 or R2 | 4/33 (12.1%) | 2/29 (6.9%) | 0.488 | ||
Borderline resectable | R0 | 12/18 (66.7%) | 8/15 (53.3%) | 0.435 | |
R1 or R2 | 6/18 (33.3%) | 7/15 (46.7%) | 0.435 | ||
Locally advanced | R0 | 10/18 (55.6%) | 16/25 (64.0%) | 0.576 | |
R1 or R2 | 8/18 (44.4%) | 9/25 (36.0%) | 0.576 | ||