| Subjects n | PR (95% CI) |
BHR20 | 33 | 2.0 (1.1–3.8) |
FEV1/FVC <70% | 18 | 2.7 (1.1–6.8) |
eNO ppb ≥ 90th percentile | 22 | 0.8 (0.4–1.6)# |
Combined parameters | | |
BHR20 + FEV1/FVC <70% | 10 | 6.1 (1.2–31.7)# |
BHR20 + eNO ppb ≥90th percentile | 6 | 7.0 (0.7–72.1)¶ |
BHR20 + asthma-like symptoms | 19 | 2.7 (1.0–6.8) |
BHR20 + COPD-like symptoms | 15 | 1.5 (0.6–3.9) |
BHR20 + work-related chest tightness | 3 | 0.9 (0.1–8.3)+ |
BHR20 + work-related rhinitis | 10 | 2.2 (0.6–8.0)§ |
BHR20 + work-related conjunctivitis | 7 | 4.3 (0.7–28.0)§ |