Validation statistics for the risk prediction algorithm in the validation cohort
| Mean (95% CI) | |
|---|---|
| Females | |
| R2 statistica (%) | 58.7 (55.4 to 61.9) |
| D statisticb | 2.44 (2.27 to 2.60) |
| ROC statisticc | 0.84 (0.82 to 0.86) |
| Males | |
| R2 statistica (%) | 62.0 (59.1 to 64.8) |
| D statisticb | 2.61 (2.45 to 2.77) |
| ROC statisticc | 0.87 (0.85 to 0.88) |
↵a R2 statistic shows explained variation in time to diagnosis of pancreatic cancer – higher values indicate more variation is explained.
↵b D statistic is a measure of discrimination – higher values indicate better discrimination.
↵c ROC statistic is a measure of discrimination – higher values indicate better discrimination.