Lowest PEF as % of highest (low%high) | Amplitude % mean | % of symptom free days | FEV1 | PD20 | |
---|---|---|---|---|---|
Lowest PEF as % of highest (low%high) | −0.80 (−0.95, −0.38) | 0.52 (−0.27, 0.85) | 0.33 (−0.50, 0.76) | 0.40 (−0.48, 0.97) | |
Amplitude % mean | −0.80 (−0.95, −0.38) | −0.39 (−0.88, 0.52) | −0.27 (−0.90, 0.54) | −0.44 (−0.91, 0.55) | |
% of symptom free days | 0.52 (−0.27, 0.85) | −0.39 (−0.88, 0.52) | 0.23 (−0.59, 0.84) | 0.27 (−0.70, 0.80) | |
FEV1 | 0.33 (−0.50, 0.76) | −0.27 (−0.90, 0.54) | 0.23 (−0.59, 0.84) | 0.21 (−0.70, 0.93) | |
PD20 | 0.40 (−0.48, 0.97) | −0.44 (−0.91, 0.55) | 0.27 (−0.70, 0.80) | 0.21 (−0.70, 0.93) |
For each correlation the range (minimum, maximum) of Spearman’s rank correlation coefficients is given.