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Knee Injury and Osteoarthritis Outcome Score Interpretation Thresholds at 3 and 12 Months After Arthroscopic Meniscal Surgery. What Changes, and What Stays the Same?
OBJECTIVE: To evaluate the change in minimal important change (MIC), patient acceptable symptom state (PASS), and treatment failure (TF) thresholds for the Knee injury and Osteoarthritis Outcome Score (KOOS) from 3 to 12 months following arthroscopic meniscus surgery. DESIGN: Retrospective cohort st...
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Published in: | The journal of orthopaedic and sports physical therapy 2023-11, Vol.53 (11), p.685-702 |
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creator | Ingelsrud, Lina Holm Terluin, Berend Thorlund, Jonas Bloch Pedersen, Julie Rønne Roos, Ewa M. |
description | OBJECTIVE: To evaluate the change in minimal important change (MIC), patient acceptable symptom state (PASS), and treatment failure (TF) thresholds for the Knee injury and Osteoarthritis Outcome Score (KOOS) from 3 to 12 months following arthroscopic meniscus surgery.
DESIGN: Retrospective cohort study.
METHODS: We included patients from the Knee Arthroscopy Cohort Southern Denmark who had meniscus surgery between 2013 and 2015. We calculated the interpretation threshold values for MIC, PASS, and TF using an anchor-based adjusted predictive modeling method. Thresholds at 3 and 12 months postoperatively were compared to evaluate changes over time.
RESULTS: The proportions of people who reported a clinically relevant improvement, or their symptoms being acceptable, increased by 10% to 15% points from 3 to 12 months after surgery. MIC thresholds for the 5 KOOS subscales remained stable from 3 to 12 months with statistically nonsignificant differences (95% confidence intervals) ranging from −0.3 (−3.0, 2.6) to −2.4 (−6.1, 1.3). All PASS thresholds except for quality of life (QOL) decreased by −6.5 (−11.8, −1.5) to −3.7 (−7.1, −0.4) points, indicating that higher symptom levels were accepted at 12 months. In contrast, the proportion reporting their treatment to have failed remained stable over time (19% and 17%). For QOL, a 7.4 (2.0, 13.2) higher TF threshold at 12 months suggested that improved QOL was required to not consider that the treatment had failed.
CONCLUSION: More patients reported being improved at 1 year compared to at 3 months following meniscus surgery. The KOOS MIC thresholds were stable over time, whereas time-specific PASS values should be applied after meniscus surgery. J Orthop Sports Phys Ther 2023;53(11):685-702. Epub 3 October 2023. doi:10.2519/jospt.2023.11993 |
doi_str_mv | 10.2519/jospt.2023.11993 |
format | article |
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DESIGN: Retrospective cohort study.
METHODS: We included patients from the Knee Arthroscopy Cohort Southern Denmark who had meniscus surgery between 2013 and 2015. We calculated the interpretation threshold values for MIC, PASS, and TF using an anchor-based adjusted predictive modeling method. Thresholds at 3 and 12 months postoperatively were compared to evaluate changes over time.
RESULTS: The proportions of people who reported a clinically relevant improvement, or their symptoms being acceptable, increased by 10% to 15% points from 3 to 12 months after surgery. MIC thresholds for the 5 KOOS subscales remained stable from 3 to 12 months with statistically nonsignificant differences (95% confidence intervals) ranging from −0.3 (−3.0, 2.6) to −2.4 (−6.1, 1.3). All PASS thresholds except for quality of life (QOL) decreased by −6.5 (−11.8, −1.5) to −3.7 (−7.1, −0.4) points, indicating that higher symptom levels were accepted at 12 months. In contrast, the proportion reporting their treatment to have failed remained stable over time (19% and 17%). For QOL, a 7.4 (2.0, 13.2) higher TF threshold at 12 months suggested that improved QOL was required to not consider that the treatment had failed.
CONCLUSION: More patients reported being improved at 1 year compared to at 3 months following meniscus surgery. The KOOS MIC thresholds were stable over time, whereas time-specific PASS values should be applied after meniscus surgery. J Orthop Sports Phys Ther 2023;53(11):685-702. Epub 3 October 2023. doi:10.2519/jospt.2023.11993</description><identifier>ISSN: 0190-6011</identifier><identifier>EISSN: 1938-1344</identifier><identifier>DOI: 10.2519/jospt.2023.11993</identifier><language>eng</language><ispartof>The journal of orthopaedic and sports physical therapy, 2023-11, Vol.53 (11), p.685-702</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c276t-26bde193a892078ad513f83cce87117b39d5da66bfd0e153910c0fe5c9ef548d3</citedby><cites>FETCH-LOGICAL-c276t-26bde193a892078ad513f83cce87117b39d5da66bfd0e153910c0fe5c9ef548d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Ingelsrud, Lina Holm</creatorcontrib><creatorcontrib>Terluin, Berend</creatorcontrib><creatorcontrib>Thorlund, Jonas Bloch</creatorcontrib><creatorcontrib>Pedersen, Julie Rønne</creatorcontrib><creatorcontrib>Roos, Ewa M.</creatorcontrib><title>Knee Injury and Osteoarthritis Outcome Score Interpretation Thresholds at 3 and 12 Months After Arthroscopic Meniscal Surgery. What Changes, and What Stays the Same?</title><title>The journal of orthopaedic and sports physical therapy</title><description>OBJECTIVE: To evaluate the change in minimal important change (MIC), patient acceptable symptom state (PASS), and treatment failure (TF) thresholds for the Knee injury and Osteoarthritis Outcome Score (KOOS) from 3 to 12 months following arthroscopic meniscus surgery.
DESIGN: Retrospective cohort study.
METHODS: We included patients from the Knee Arthroscopy Cohort Southern Denmark who had meniscus surgery between 2013 and 2015. We calculated the interpretation threshold values for MIC, PASS, and TF using an anchor-based adjusted predictive modeling method. Thresholds at 3 and 12 months postoperatively were compared to evaluate changes over time.
RESULTS: The proportions of people who reported a clinically relevant improvement, or their symptoms being acceptable, increased by 10% to 15% points from 3 to 12 months after surgery. MIC thresholds for the 5 KOOS subscales remained stable from 3 to 12 months with statistically nonsignificant differences (95% confidence intervals) ranging from −0.3 (−3.0, 2.6) to −2.4 (−6.1, 1.3). All PASS thresholds except for quality of life (QOL) decreased by −6.5 (−11.8, −1.5) to −3.7 (−7.1, −0.4) points, indicating that higher symptom levels were accepted at 12 months. In contrast, the proportion reporting their treatment to have failed remained stable over time (19% and 17%). For QOL, a 7.4 (2.0, 13.2) higher TF threshold at 12 months suggested that improved QOL was required to not consider that the treatment had failed.
CONCLUSION: More patients reported being improved at 1 year compared to at 3 months following meniscus surgery. The KOOS MIC thresholds were stable over time, whereas time-specific PASS values should be applied after meniscus surgery. J Orthop Sports Phys Ther 2023;53(11):685-702. Epub 3 October 2023. doi:10.2519/jospt.2023.11993</description><issn>0190-6011</issn><issn>1938-1344</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNotkT1PwzAQhi0EEqWwM3pkIMVn58sTqio-KkAdCmKMXOdCUqVxsJ0hP4j_iRu45aTTc-_dq5eQa2ALnoC82xvX-wVnXCwApBQnZAZS5BGIOD4lMwaSRSkDOCcXzu1ZqJjFM_Lz0iHSdbcf7EhVV9KN82iU9bVtfOPoZvDaHJButbFHzqPtLXrlG9PR99qiq01bOqo8FdM-cPpmOl87uqwCTJdHKeO06RtN37BrnFYt3Q72C-24oJ912FzVqvtCdzsJTJOtV6Ojvg6H1QHvL8lZpVqHV_99Tj4eH95Xz9Hr5mm9Wr5Gmmepj3i6KzG4VrnkLMtVmYCocqE15hlAthOyTEqVpruqZAiJkMA0qzDREqskzksxJzd_ur013wM6XxzCv9i2qkMzuILnGYcsaPGAsj9UB3fOYlX0tjkoOxbAimMixZRIcUykmBIRvzT9gfk</recordid><startdate>202311</startdate><enddate>202311</enddate><creator>Ingelsrud, Lina Holm</creator><creator>Terluin, Berend</creator><creator>Thorlund, Jonas Bloch</creator><creator>Pedersen, Julie Rønne</creator><creator>Roos, Ewa M.</creator><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>202311</creationdate><title>Knee Injury and Osteoarthritis Outcome Score Interpretation Thresholds at 3 and 12 Months After Arthroscopic Meniscal Surgery. What Changes, and What Stays the Same?</title><author>Ingelsrud, Lina Holm ; Terluin, Berend ; Thorlund, Jonas Bloch ; Pedersen, Julie Rønne ; Roos, Ewa M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c276t-26bde193a892078ad513f83cce87117b39d5da66bfd0e153910c0fe5c9ef548d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ingelsrud, Lina Holm</creatorcontrib><creatorcontrib>Terluin, Berend</creatorcontrib><creatorcontrib>Thorlund, Jonas Bloch</creatorcontrib><creatorcontrib>Pedersen, Julie Rønne</creatorcontrib><creatorcontrib>Roos, Ewa M.</creatorcontrib><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>The journal of orthopaedic and sports physical therapy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ingelsrud, Lina Holm</au><au>Terluin, Berend</au><au>Thorlund, Jonas Bloch</au><au>Pedersen, Julie Rønne</au><au>Roos, Ewa M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Knee Injury and Osteoarthritis Outcome Score Interpretation Thresholds at 3 and 12 Months After Arthroscopic Meniscal Surgery. What Changes, and What Stays the Same?</atitle><jtitle>The journal of orthopaedic and sports physical therapy</jtitle><date>2023-11</date><risdate>2023</risdate><volume>53</volume><issue>11</issue><spage>685</spage><epage>702</epage><pages>685-702</pages><issn>0190-6011</issn><eissn>1938-1344</eissn><abstract>OBJECTIVE: To evaluate the change in minimal important change (MIC), patient acceptable symptom state (PASS), and treatment failure (TF) thresholds for the Knee injury and Osteoarthritis Outcome Score (KOOS) from 3 to 12 months following arthroscopic meniscus surgery.
DESIGN: Retrospective cohort study.
METHODS: We included patients from the Knee Arthroscopy Cohort Southern Denmark who had meniscus surgery between 2013 and 2015. We calculated the interpretation threshold values for MIC, PASS, and TF using an anchor-based adjusted predictive modeling method. Thresholds at 3 and 12 months postoperatively were compared to evaluate changes over time.
RESULTS: The proportions of people who reported a clinically relevant improvement, or their symptoms being acceptable, increased by 10% to 15% points from 3 to 12 months after surgery. MIC thresholds for the 5 KOOS subscales remained stable from 3 to 12 months with statistically nonsignificant differences (95% confidence intervals) ranging from −0.3 (−3.0, 2.6) to −2.4 (−6.1, 1.3). All PASS thresholds except for quality of life (QOL) decreased by −6.5 (−11.8, −1.5) to −3.7 (−7.1, −0.4) points, indicating that higher symptom levels were accepted at 12 months. In contrast, the proportion reporting their treatment to have failed remained stable over time (19% and 17%). For QOL, a 7.4 (2.0, 13.2) higher TF threshold at 12 months suggested that improved QOL was required to not consider that the treatment had failed.
CONCLUSION: More patients reported being improved at 1 year compared to at 3 months following meniscus surgery. The KOOS MIC thresholds were stable over time, whereas time-specific PASS values should be applied after meniscus surgery. J Orthop Sports Phys Ther 2023;53(11):685-702. Epub 3 October 2023. doi:10.2519/jospt.2023.11993</abstract><doi>10.2519/jospt.2023.11993</doi><tpages>18</tpages></addata></record> |
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title | Knee Injury and Osteoarthritis Outcome Score Interpretation Thresholds at 3 and 12 Months After Arthroscopic Meniscal Surgery. What Changes, and What Stays the Same? |
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