Table 3 Validity of the classification rules based on a manual audit of the treatment records of 1,000 randomly selected patients
From: Determine the therapeutic role of radiotherapy in administrative data: a data mining approach
Sample A* | Sample B** | Entire sample*** | |
|---|---|---|---|
Sensitivity (palliative) | 95.5 (94.2,96.8) | 36.3 (34.0,38.5) | 84.2 (82.9,85.5) |
Specificity (curative) | 99.5 (99.4,99.7) | 66.0 (63.4,68.5) | 98.5 (98.3,98.7) |
Positive predictive value (palliative) | 97.3 (96.3,98.3) | 58.6 (55.8,61.5) | 92.3 (91.3,93.3) |
Negative predictive value (curative) | 99.2 (99.0,99.4) | 43.8 (41.6,45.9) | 96.8 (96.5,97.0) |