Figure 5From: Domiciliary pulse-oximetry at exacerbation of chronic obstructive pulmonary disease: prospective pilot study Time Course of Oximetry and Oximetry-PEF Scores At Exacerbation. Time course of Oximetry and Oximetry-PEF scores from seven days prior (-7) to exacerbation onset (day 0, vertical line) and seven days into exacerbation of COPD. Data represent the mean and 95%CI for each score separately.Back to article page