Table 2.
Algorithm 1 results by district and diagnostic year: sensitivity and positive predictive value of administrative data for identifying incident colorectal-cancer cases versus cancer registries used as the gold standard.
| District | Year | Incident cases identified by Algorithm 1 | Administrative data/registry discordances | Sensitivity (%) (95% CI) | PPV (%) (95% CI) | |
|---|---|---|---|---|---|---|
| False positives | False negatives | |||||
| Côte d'Or | 2004 | 313 | 69 | 88 | 73.5 (68.7–78.2) | 77.9 (73.3–82.5) |
| 2005 | 333 | 88 | 68 | 78.3 (73.7–82.9) | 73.6 (68.9–73.3) | |
| Doubs | 2005 | 268 | 70 | 75 | 72.5 (67.2–77.8) | 73.9 (68.6–79.2) |