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. 2020 Aug 24;15:2005–2013. doi: 10.2147/COPD.S256907

Table 5.

Concordance Analysis Between Predictors and Outcomes*

Outcomes Predictors Kappa LL 95% CI UL 95% CI P-value for Testing Kappa=0
Event FVC 0.747 0.551 0.942 < 0.001
FEV1 0.475 0.249 0.700
A1 FVC 0.377 0.157 0.596
QuickBD 0.289 0.165 0.413
O-4% 0.256 0.022 0.490
IC 0.246 0.041 0.45
O<90% 0.206 0.112 0.300
A2 QuickBD 0.611 0.515 0.706
O<90% 0.474 0.377 0.571
FEV1 0.204 0.089 0.320
MA QuickBD 0.622 0.547 0.697
O<90% 0.564 0.486 0.642

Notes: *This analysis was based on total monitoring days using statistical process control. All other paired comparisons had Kappa values < 0.2.