Conversion of a Patient-Based Outcome Score into a Video Format

Reliability of the KOOS-PS in Video FormatJ de Roos, N Kruger, M Held

Good afternoon Ladies and Gentlmen. I will be reporting on the Reliability of the KOOS-PS in Video Format.1

IntroductionPROMs increased utilization

PROMs in 3rd world countries not well understood

Language/Cultural barriers using PROMsIn South Africa

Using Media to overcome barriers?

PROMS utilization has increased drastically in last decade and is now widely used by healthcare practitioners. It has been suspected that PROMs are not well understood in 3rd world countries. This could largely be due to Language and cultural barriersHere in South Africa there are 11 different National Languages, high levels of illiteracy and lower educational levels. Using a written English score is not always practicalCan the use of a video demonstration overcome the language / cultural barrier and be just as effective?2

AimsTest Reliability of the KOOS-PS in a video format

We aim to test reliability of the new video version of the KOOS-PS3

MethodsConversion from KOOS-PS into video

Data CollectionVideo Score vs. two other scores

Data Analysis Cronbachs Alpha

Conversion:

Video demonstrations for each function were created and decided on by a panel of students. A Likert scale in the form of smiley faces was used as a measure Level of difficulty.

Data Collection:Patients completed the following:ConsentOKSWOMACKOOS-PS

Data Analysis:ReliabilityInternal Consistancy Cronbachs Coefficient

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These are the video demonstrations for each of the KOOS-PS questions, with the Likert scale of difficulty in the form of Smiley faces (Happy sad face representing No difficulty to Extremely Difficult)

Video 1 represents Rising from the bed

Video 2 represents Putting on socks

Video 3 represents Rising from sitting

Video 4 represents Bending to the floor

Video 5 represents Twisting/Pivoting on Injured Knee

Video 6 represents Kneeling

Video 7 represents Squatting5

Results70 Patients Recruited

Patient characteristicsAverage age: 50Gender (58% Female)Education Level

70 Patients were recruitedAverage Age was 50 years57,6% were Female and 42,4% were Male57,1% had not finished school, 22,5% Finished School with no further education and 20,4% have completed Tertiary Education6

Results (Cont.)Mean Video score 58,4%

Mean KOOS-PS 61,55%

Internal Consistancy Cronbachs Coefficient of 0,899

Based on the preliminary results: Internal consistency received a Cronbachs Coefficient of 0,899, considered an excellent valueThe mean of the video score was 58,4% and the mean score for the KOOS-PS was 61,55%

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ConclusionThe Video score measured consistently and reliably

Video score avoids the need to translate scores

Easier to comprehend for patients of low education

Future ResearchComprehension of scores between education levelsLarger sample size for time efficiency comparison

In conclusion, the video score measured knee function consistently and reliably

With a validated video score, there will be no need to translate original validated scores to other languages.

A trend of discrepancy was found with patients of lower education, possibly indicating that the video score was easier to comprehend than the written version of the KOOS-PS

Future research could investigate the comprehension of written scores vs. visual based scores and obtain a larger sample size to determine time efficiency between scores.

THANK YOU.8