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. 2015 Oct 2;10(10):e0138364.
doi: 10.1371/journal.pone.0138364. eCollection 2015.

Risk Knowledge in Relapsing Multiple Sclerosis (RIKNO 1.0)--Development of an Outcome Instrument for Educational Interventions

C Heesen  1 , J Kasper  2 , K Fischer  3 , S Köpke  4 , A Rahn  5 , I Backhus  3 , J Poettgen  3 , L Vahter  6 , J Drulovic  7 , A Van Nunen  8 , Y Beckmann  9 , K Liethmann  3 , A Giordano  10 , G Fulcher  11 , A Solari  10 ; AutoMS-group
Collaborators, Affiliations

Risk Knowledge in Relapsing Multiple Sclerosis (RIKNO 1.0)--Development of an Outcome Instrument for Educational Interventions

C Heesen et al. PLoS One. .

Abstract

Background: Adequate risk knowledge of patients is a prerequisite for shared decision making but few attempts have been made to develop assessment tools. Multiple Sclerosis (MS) is a chronic inflammatory disease of young adults with an increasing number of partially effective immunotherapies and therefore a paradigmatic disease to study patient involvement.

Objective/methods: Based on an item bank of MS risk knowledge items and patient feedback including perceived relevance we developed a risk knowledge questionnaire for relapsing remitting (RR) MS (RIKNO 1.0) which was a primary outcome measure in a patient education trial (192 early RRMS patients).

Results: Fourteen of the RIKNO 1.0 multiple-choice items were selected based on patient perceived relevance and item difficulty indices, and five on expert opinion. Mean item difficulty was 0.58, ranging from 0.14 to 0.79. Mean RIKNO 1.0 score increased after the educational intervention from 10.6 to 12.4 (p = 0.0003). Selected items were particularly difficult (e.g. those on absolute risk reductions of having a second relapse) and were answered correctly in only 30% of the patients, even after the intervention.

Conclusion: Despite its high difficulty, RIKNO 1.0 is a responsive instrument to assess risk knowledge in RRMS patients participating in educational interventions.

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Conflict of interest statement

Competing Interests: The authors have declared that no competing interests exist.

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