Table 1 Dichotomization of items in questionnaire about skin problems
Question | Possible answers | Dichotomization |
|---|---|---|
Overall negative impact of skin problem on use of prosthesis | none, limited high, very high | not severe severe |
Presence of itching, prickly, sensitive or painful skin | none limited, high, very high | absent present |
Severity of itching, prickly, sensitive or painful skin | none, limited high, very high | not severe severe |