Figure 2From: Tele-monitoring reduces exacerbation of COPD in the context of climate change–a randomized controlled trial Variation in daily clinical status and lung-function in response to outside temperature. Dual axis box plots with the x-axis depicting a) FEV1 (ml) and b) CAT score. The y-axis indicates the days from June–31st August and the z-axis (black line) shows daily temperature fluctuations.Back to article page