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Likelihood ratio for different amounts of FVC for FVC<LLN alone.
| FVCa% | Sensitivity% | Specificity% | Likelihood ratio |
|---|---|---|---|
| 60 | 19.1 | 11.4 | 1.67 |
| 65 | 39.3 | 14.9 | 2.63 |
| 70 | 57.3 | 14.9 | 3.84 |
| 75 | 75.3 | 23.9 | 3.15 |
| 80 | 97.8 | 31.0 | 3.10 |
| 85 | 100 | 3.33 | 3.00 |
FVC: Forced vital capacity
