Table 3.

Link between qualitative themes and quantitative items

Qualitative themes	Quantitative items
	Do you think it is important for your decision that …
Theme 1: Complete and understandable information	… you receive information from your clinician about all possible treatment options? … you receive information from your clinician about your disease? …your clinician gives you information about your disease that is understandable?
Theme 2: Active role of patients in information gathering	… you give your clinician information about how you experience your disease? … you search for information (for example on the Internet) about possible treatment options? … you ask the questions you have?
Theme 3: Hearing preference of the clinician	… you follow your clinician in the proposed treatment advice? … you decide together with your clinician about your treatment? … your clinician gives you advice about the best treatment option for you?
Theme 4: Conduct of professionals	… your clinician takes you seriously? … your clinician takes time for you? … your clinician is friendly? … your clinician asks you about your situation at home? … your clinician provides the opportunity to ask questions? … your clinician takes your treatment preferences seriously? … you receive time from your clinician to think about what treatment you want to have?
Theme 5: Opportunity to express own opinion	… your clinician asks you what you think of the different treatment options? … your clinician lets you decide what treatment you want to undergo? … the treatment that best fits for you is chosen?
Theme 6: Role of family members	… you eventually decide with your family what treatment you want to have?