| Histological staging |
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N stage | pN0 (n = 49) | pN1 (n = 30) | pN2 (n = 14) | pN3 (n = 15) | Accuracy % | Sensitivity % | Specificity % |
CT N0 | 27 | 7 | 5 | - | 50 (54/108) | 55.1 (27/49) | 45.8 (27/59) |
CT N1 | 10 | 13 | 3 | 5 | 67.6 (73/108) | 43.3 (13/30) | 76.9 (60/78) |
CT N2 | 10 | 7 | 6 | 3 | 74.1 (80/108) | 42.9 (6/14) | 78.7 (74/94) |
CT N3 | 2 | 3 | - | 7 | 88 (95/108) | 46.7 (7/15) | 94.6 (88/93) |