Table 3.
Post-BD lung monitor (FEV1/FEV6 < LLN) against post-BD confirmatory spirometry (FEV1/FVC < LLN).
| Spirometry +ve | Spirometry −ve | ||
|---|---|---|---|
| Lung monitor +ve | 157 (46.6%) | 6 (2.9%) | 163 |
| Lung monitor −ve | 180 (53.4%) | 201 (97.1%) | 381 |
| 337 | 207 | 544 |
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