It will be used to determine an individual's quality of life levels. Each sub-parameter is scored between 0 and 100 points, with a high score indicating good health status. The SF-36 scale has eight sub-parameters: general health perception, physical function, social function, pain, mental health, role difficulty due to physical reasons, role difficulty due to emotional reasons, and vitality. It contains 11 questions consisting of a total of 36 items.

A pediatric and adult rheumatologist assessed it. The MRSS evaluates skin thickening in 17 body regions, graded from 0 (normal) to 3 (severe skin thickening). The total score ranges from 0 to 51, with increased scores indicating poor skin involvement.

It is a functional test developed specifically for scleroderma to assess an individual's hand function. It evaluates four specific hand movements (finger flexion, finger extension, finger abduction, and dorsal extension). Scores range from 0 (normal) to 3 (complete failure) for each movement, with a total score ranging from 0 to 12.

It assesses the impact of skin involvement on quality of life. The 18-item measure consists of 4 categories: physical effect (PE), emotional effect (EE), social effect (SE), and physical limitation (PL). Each item is scored on a scale ranging from no impairment (0 points) to severe impairment (6 points), with a total score of 108. A lower score indicates a much better quality of life.

It consists of 18 questions related to daily activities. Each question is scored on a questionnaire of 0 (no difficulty) to 5 (impossible), and the total score ranges from 0 to 90. A total CHFS score of 26 or higher is considered to indicate hand function limitation.