Table 2.

Overview of the Domains of the ICC Compression Questionnaire for Patients and Health Care Providers, the Items in Each Domain, and the Formula to Calculate the Domain Scores

Domain	Items	Calculation score
ICC-CQ-P
Dosage of compression (0–168)	No. of days past week; no. of hours during daytime; no. of hours at night	= question 1 × (question 2 + question 3)
Application and removing of compression (0–10)	Able to put on without help; able to put on with help; able to take off without help; able to take off with help	= ([question 1 × 2] + question 2b) + ([question 3 × 2] + question 4b)/6
Compression and comfort (0–10)	Able to wear shoes; able to wear clothes; feeling immediately; feeling during daytime; feeling at night; appearance	= [sum of questions 1–6]/[6 – no. of questions not answered]
Complication of compression (0–10)	Skin irritation; tender spots; skin damage; itching; warmth; throbbing; cramps; cutting in; slippage; local swelling; bulky feeling; too tight feeling; other; other	= [sum of questions 1–14]/[14 – no. of questions not answered]
Physical functioning in relation to compression (0–10)	Able to move wrist/ankle; elbow/knee; shoulder/hip; use spoon/walk; carry out job; complete household chores; practice sports, carry out leisure activities; social activities	= [sum of questions 1–9]/[9 – no. of questions not answered]
Disease-related symptoms (0–10)	Pain; loss of muscle strength; heaviness; swelling; tight skin; tingling; leakage	= [sum of questions 1–7]/[7 – no. of questions not answered]
General experience (0–10)	Experience	= question 8
ICC-CQ-H
Compression material (0–10)	Cover; fit; appropriate	= [sum of questions 2–4]/[3 – no. of questions not answered]
Adherence (0–10)	Adherence	= question 5
Skin (0–10)	Dry; local swelling; general redness; local redness; strangulation; blister; erosion; ulceration; papules; other	= ([sum of questions 2.1 – 2.10]/[10 – no. of questions not answered]) × 5

ICC-CQ-H, ICC Compression Questionnaire for health care providers.