Table 4

Ability of the individual components and composite scores to differentiate exacerbation onset days from symptom days (day-to-day symptom variation).

AUC

95%CI

p =


Heart Rate

0.731

0.613-0.849

0.042

Oxygen Saturation

0.740

0.590-0.889

0.034

Peak-Expiratory Flow (PEF)

0.615

0.410-0.819

0.311

Oximetry Score

0.832

0.735-0.929

0.003

Oximetry-PEF Score

0.732

0.589-0.876

0.040


p value represents difference from chance (AUC = 0.5).

Hurst et al. BMC Pulmonary Medicine 2010 10:52   doi:10.1186/1471-2466-10-52

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