Table 4.

Multivariate analyses for the 6MWD considered as a continuous variable.

Factorp
FVC, % predicted0.922
DLCO/VA, % predicted0.3254
CRP0.054
Exercise desaturation0.119
Minimal saturation < 90%0.668
PAH by right-heart catheterization0.608
Acroosteolysis0.699
Calcinosis0.044
ESSG disease activity score > 30.291
Medsger severity scale > 20.209
sHAQ > 10.097
  • 6MWD: 6-min walking distance; ESSG: European Spondylarthropathy Study Group. For other abbreviations see Table 1.