Pulmonary function parameters | Asthma-like symptoms and asthma | Z | p value | |
---|---|---|---|---|
Summer (n = 46) | Winter (n = 46) | |||
FVC in litres (L) | 3.5 (2.7–4.1) | 2.9 (2.1–3.7) | −5.91a | < 0.001*** |
FEV1 in litres (L) | 3.3 (2.4–3.8) | 2.7 (1.8–3.5) | −5.91a | < 0.001*** |
FEV1/FVC in percentage | 91.7 (87.7–94.0) | 91.9 (82.0–94.6) | −2.91a | < 0.001*** |
PEFR in litres/min | 382.8 (324.9–420.7) | 347.9 (303.8–404.4) | −5.89a | < 0.001*** |