Cut-off values

+PCPC (n, %)

NoPCPC (n, %)

P-value

Distance in 6MWT < 400 m

3 (75)

0 (0)

0.014

Heightin SCT < 15 m

3 (75)

1 (11)

0.052

Pacein SCT < 8.5 m/min

4 (100)

2 (22)

0.021

%ppoFEV1.0 < 40%

1 (25)

0 (0)

0.308

%ppoDLco < 40%

2 (50)

0 (0)

0.077