Table 2.
Comparison of MSCT and pathological findings in N-staging of gastric cancer.
| MSCT stage |
Pathological stage |
Accuracy (%) | Sensitivity (%) | Specificity(%) | Positive predictive value | Negative predictive value | K value | |||
|---|---|---|---|---|---|---|---|---|---|---|
| N0 | N1 | N2 | N3 | (%) | (%) | |||||
| N0 | 45 | 1 | 5 | 2 | 83.5 | 86.5 | 79.5 | 84.9 | 81.6 | 0.662 |
| (76/91) | (45/52) | (31/39) | (45/53) | (31/38) | ||||||
| N1 | 5 | 5 | 2 | 2 | 89.0 | 83.3 | 89.4 | 35.7 | 98.7 | 0.449 |
| (81/91) | (5/6) | (76/85) | (5/14) | (76/77) | ||||||
| N2 | 2 | 0 | 7 | 6 | 83.5 | 50.0 | 89.6 | 46.7 | 90.8 | 0.385 |
| (76/91) | (7/14) | (69/77) | (7/15) | (69/76) | ||||||
| N3 | 0 | 0 | 0 | 9 | 89.0 | 47.4 | 100.0 | 100.0 | 87.8 | 0.587 |
| (81/91) | (9/19) | (72/72) | (9/9) | (72/82) | ||||||
MSCT, multi-slice spiral computed tomography