Table 2: Characteristics of the Subjects in the London, Ontario SSc Cohort who Responded to the Study Questionnaire. Given as Mean ± SEM or as Percentage (Where Applicable). The Total Number of Subjects for whom a Measurement of the Characteristic was Available has been Indicated in Parentheses.

Characteristics of the SSc Study Sample (N=65)	N	Proportion/Mean	Min, Max
Diffuse disease	65	37% (65)	-
Disease duration	64	9.75 ± 0.53	2, 26
Age at diagnosis	64	50.05 ± 1.64	21, 80
Modified Rodnan Skin Score (MRSS)	28	9.5 ± 1.63	2, 41
Health Assessment Questionnaire Disability Score (HAQ-DI)	45	1.12 ±0.106	0, 2.625