15250-m-cuypers

95 PCPCC study protocol 5 of uncertainty about best choice; and the effectiveness of the decision. The level of decisional conflict is measured at T1. The DSC is widely accepted and applied as main outcome measure in (Pca) DA trials 24,34-36 . Table 1. Outcome measures Outcomes Instrument T1 T2 T3 Shared decision-making outcomes Decisional conflict Decisional Conflict Scale X Decisional regret Decisional Regret Scale X X Pca Knowledge Pca decision quality instrument X Satisfaction with information SCIP-B X Decision-making preparedness Preparation for DM-scale X Decision-making role PSDM-scale X Perceived doctor-patient relationship Single item X X X Actual treatment choice and health outcomes Initial preference and treatment choice Single items X Treatment satisfaction Single item X X Health-related Quality of Life EORTC QLQ-C30 X X X EORTC QLQ-PR25 X X X Side-effect impact IIQ-7 subset for emotional state X X Acceptance & Control over health status Subjective experienced health (SBG) X X X Secondary outcomes Secondary outcome measures can be categorized as either shared decision-making outcomes or health outcomes. Shared decision-making outcomes consist of decisional regret 37 , perceived and preferred decision-making role 38 , and preparation for decision- making to assess a patient’s preparation for decision-making and dialoguing with his clinician 39 . Furthermore, a single-item question will evaluate the perceived patient- doctor relationship and the development of this relationship over time. Also, satisfaction with information provision 40 and knowledge 41 will be assessed. Health outcomes refer to the actual treatment choice and any changes in treatment preference during the decision-making process. Treatment satisfactionwill bemeasured with a single-item question: ‘Are you satisfied with the way your treatment was or is executed?’To assess health-relatedquality of life (HRQoL) the EORTCQLQ-C30 [42] will be used. This questionnaire is developed specific to assess HRQoL in cancer patients. Much of the content of the questionnaire is appropriate for extended monitoring of health