. Author manuscript; available in PMC: 2012 Aug 20.

Published in final edited form as: Pediatr Pulmonol. 2011 Aug 24;47(1):18–26. doi: 10.1002/ppul.21507

TABLE 2.

ROC Cut-Off Points

Metric	Cut-off	Sensitivity	1 – Specificity
FEV₁	6.23	0.54	0.40
R5	–11.24	0.73	0.34
R10	–8.58	0.77	0.24
R20	–5.91	0.62	0.35
X5	–18.15	0.59	0.31
AX	–29.11	0.67	0.31
R5.CV	–0.59	0.66	0.37
R10.CV	–0.53	0.76	0.33
R20.CV	–0.32	0.63	0.33
X5.CV	–0.21	0.71	0.44
Ax.CV	–0.66	0.67	0.44