Table 4– Reclassification of patients who died and those who did not die with inclusion of baseline 6-min walk distance (6MWD) and 24-week change in 6MWD^#

Model without 6MWD/Δ6MWD: predicted mortality risk	Model with 6MWD/Δ6MWD: predicted mortality risk
	<0.02	0.02–0.04	0.04–0.07	≥0.07
Patients who died
<0.02	16	2	0	0
0.02–0.04	2	12	4	3
0.04–0.07	0	4	4	6
≥0.07	0	1	0	25
Patients who did not die
<0.02	234	47	3	0
0.02–0.04	103	112	32	9
0.04–0.07	0	178	29	82
≥0.07	0	29	35	184
Summary
Events reclassified correctly	10.1%; p=0.088
Nonevents reclassified correctly	16.0%; p<0.001
Net reclassification improvement	26.1%; p<0.001

Δ6MWD: 24-week change in 6MWD. ^#: stratification based on quartiles of the distribution for 6MWD and Δ6MWD.