Variable | PEFR < 2.2 L.s-1.m-2(n = 50) | PEFR ≥ 2.2 L.s-1.m-2(n = 18) | P |
---|---|---|---|
Male gender, n (%) | 33 (66.0%) | 13 (76.5%) | 0.550 |
Age in years, mean ± SD | 52.7 (SD 9.3) | 50.5 (±SD 7.4) | 0.393 |
Smoker, n (%) | 12 (24.0%) | 5 (29.4%) | 0.749 |
Height in cm, mean ± SD | 164.4 (±SD 8.8) | 165.2 (±SD 5.6) | 0.723 |