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. 2018 Nov 14;13:3719–3731. doi: 10.2147/COPD.S178149

Table S4.

Predictive capacity of a composite event (c-statistic) according to the number of criteria needed to define clinical impact

Number of criteria needed to define low impact Predictive capacity of composite event (c-statistic)
Adjustment by BODEx Adjustment by FEV1(%)
Global BODEx ≤2 BODEx ≥3 Global FEV1 ≥50% FEV1 ≤49%
All criteria are met 0.613 0.599 0.568 0.618 0.581 0.629
Three criteria are met 0.639 0.586 0.628 0.637 0.615 0.632
Two criteria are met 0.628 0.589 0.611 0.628 0.616 0.619
One criterion is met 0.628 0.589 0.611 0.630 0.619 0.619