Table 1

Correlation of PASTUL score with other scleroderma outcome measures

Outcome measure	Pearson’s correlation coefficient	P value
mRSS	0.56	<0.001
mRSS upper limbs	0.58	<0.001
SHAQ (disease index)	0.38	<0.001
SHAQ VAS scores
VAS pain	0.28	0.107
VAS GI	0.10	0.239
VAS breathing	0.17	0.236
VAS RP	0.16	0.406
VAS DU	0.26	0.466
VAS limitations	0.32	0.026
SFS	0.25	0.011
SSPRO	0.60	<0.001
SSPRO subdomains
Physical effects	0.59	<0.001
Physical limitations	0.62	<0.001
Emotional effects	0.48	<0.001
Social effects	0.42	<0.001

DU, digital ulcers; GI, gastrointestinal; mRSS, modified Rodnan Skin Score; PASTUL, Patient Self-Assessment of Skin Thickness in Upper Limb; RP, Raynaud’s phenomenon; SFS, Scleroderma Functional Score; SHAQ, Scleroderma Health Assessment Questionnaire; SSPRO, Scleroderma Skin Patient-Reported Outcome; VAS, Visual Analogue Score.