Table 5 |
||
|
Sensitivity and specificity of the Oximetry Score in differentiating exacerbation onset from symptom days (day-to-day symptom variation) in COPD. |
||
|
Oximetry Score* |
Sensitivity |
Specificity |
|
|
||
|
+0.5 |
100% |
54% |
|
+1.0 |
71% |
74% |
|
+1.5 |
29% |
89% |
|
+2.0 |
14% |
94% |
|
|
||
|
*A +1SD change in score could represent, for example, a fall in oxygen saturation of 1% and a rise in heart rate of 5 min-1, or no change in oxygen saturation from baseline and a rise in heart rate of 10 min-1. See text for further details. |
||
|
Hurst et al. BMC Pulmonary Medicine 2010 10:52 doi:10.1186/1471-2466-10-52 |
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