Figure 6.

ROC Curves. ROC curves for the ability of the individual components, and Oximetry and Oximetry-PEF scores to differentiate exacerbation onset from day-to-day symptom variation (symptom days) in COPD. The data are reported in Table 4.

Hurst et al. BMC Pulmonary Medicine 2010 10:52   doi:10.1186/1471-2466-10-52
Download authors' original image