Table 7.
Prediction of overall survival (OS) at 12, 36, and 60 months based on clinical, biological, and genetic characteristics previously selected in the multivariate analysis for survival (CEA serum levels, lymph node involvement, and abnormalities in the 15q11.1, 15q14, and 17q21.31 chromosomal regions).
| Validation Simple ID | Real Time and Event | Prediction at | ||||||
|---|---|---|---|---|---|---|---|---|
| OS Censor | Time to OS (Months) | 12 Months | 36 Months | 60 Months | ||||
| Probability of Absence of Event | Success in Prediction | Probability of Absence of the Event | Success in Prediction | Probability of Absence of Event | Success in Prediction | |||
| 1 | 1 | 52 | 0.9 | YES | 0.6 | YES | 0.3 | YES |
| 2 | 1 | 36 | 0.0 | NO | 0.0 | YES | 0.0 | YES |
| 3 | 0 | 129 | 1.0 | YES | 0.9 | YES | 0.8 | YES |
| 4 | 0 | 121 | 1.0 | YES | 0.9 | YES | 0.8 | YES |
| 6 | 1 | 17 | 0.0 | NO | 0.0 | YES | 0.0 | YES |
| 6 | 0 | 54 | 1.0 | YES | 1.0 | YES | 1.0 | NC |
| 7 | 1 | 89 | 1.0 | YES | 1.0 | YES | 1.0 | YES |
| 8 | 0 | 86 | 1.0 | YES | 0.9 | YES | 0.8 | YES |
| 9 | 0 | 84 | 1.0 | YES | 1.0 | YES | 1.0 | YES |
| 10 | 0 | 110 | 1.0 | YES | 0.9 | YES | 0.8 | YES |
| Success rate | NC | 100% | 100% | |||||
| Sensitivity | NC | 100% | 100% | |||||
| Specificity | NC | 100% | 100% | |||||
| Positive predictor value | NC | 100% | 100% | |||||
| Negative predictor value | NC | 100% | 100% | |||||
NC: not calculable.