Table 2.
Probability values for severity models at COPD diagnosis and index date
| Probability level | PPV and NPV—Validation dataset | Correctly predicted—Validation dataset | ||||
|---|---|---|---|---|---|---|
| At COPD diagnosis | At index (triple therapy) | At COPD diagnosis | At index (triple therapy) | |||
| PPV | NPV | PPV | NPV | % | % | |
| 0.500 | 0.7822 | 0.5022 | 0.8153 | 0.5916 | 73.1 | 76.3 |
| 0.600 | 0.8232 | 0.5020 | 0.8479 | 0.5655 | 74.4 | 75.9 |
| 0.700 | 0.8886 | 0.4930 | 0.8902 | 0.5381 | 72.6 | 75.0 |
COPD chronic obstructive pulmonary disease, NPV negative predicted value, PPV positive predicted value