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Prediction of recurrence on the basis of postoperative serum CEA levels in 386 patients with a preoperative serum CEA level of <5 ng/mL
| Serum CEA after surgery |
||||
|---|---|---|---|---|
| <5 ng/mL | ≥5 ng/mL | <8 ng/mL | ≥8 ng/mL | |
| No recurrence (n = 352) | 343 (97.4) | 9 (2.6) | 352 (100) | 0 (0) |
| Recurrence (n = 34) | 33 (97.1) | 1 (2.9) | 33 (97.1) | 1 (2.9) |
| Sensitivity | 2.9 | 2.9 | ||
| Specificity | 97.4 | 100 | ||
| Positive predictive value | 10.0 | 100 | ||
| Negative predictive value | 91.2 | 91.4 | ||
| Accuracy | 89.1 | 91.5 | ||
Values are presented as n (%) or percentages.
