Spinal cord · 2026
Evaluating the modified spinal cord injury secondary conditions scale (SCI-SCS) combining severity and mortality-based weights.
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Oña Ana, Strøm Vegard, Sabariego Carla, Gemperli Armin, Pacheco Barzallo Diana
Аннотация
STUDY DESIGN: Cross-sectional study OBJECTIVE: To evaluate alternative scoring approaches for the modified Spinal Cord Injury Secondary Conditions Scale (SCI-SCS) using severity- and mortality-based weights, and to examine their associations with functioning and self-reported health in individuals with SCI.
SETTING: Community METHODS: We analyzed data from 10,347 participants in the International Spinal Cord Injury Survey (InSCI). Eight scoring approaches were constructed from 14 secondary health conditions and a depression item, varying by severity coding and by whether mortality weights were applied equally or condition-specifically. Associations with functioning (ICF-based composite score) and self-reported health were assessed using Pearson and Spearman correlations, with additional country-level analyses to explore variability.
RESULTS: All scoring approaches were negatively correlated with both outcomes, indicating that higher secondary health condition burden was associated with worse functioning and poorer health. The score combining the modified SCI-SCS with condition-specific mortality weights showed the highest correlations, though differences from the unweighted score were small. Both scores demonstrated moderate associations with the outcomes. Country-level analyses revealed variability, partly related to sample size, but overall patterns were consistent.
CONCLUSION: The modified SCI-SCS demonstrated moderate and robust associations with functioning and self-reported health, supporting its use as a pragmatic proxy of overall health status in individuals with SCI. Weighting by mortality risks yielded only marginal gains, suggesting that the unweighted score remains a suitable option for research and practice. These findings advance the use of self-reported measures to capture health burden in SCI and encourage further validation with independent outcomes and across diverse contexts.
SETTING: Community METHODS: We analyzed data from 10,347 participants in the International Spinal Cord Injury Survey (InSCI). Eight scoring approaches were constructed from 14 secondary health conditions and a depression item, varying by severity coding and by whether mortality weights were applied equally or condition-specifically. Associations with functioning (ICF-based composite score) and self-reported health were assessed using Pearson and Spearman correlations, with additional country-level analyses to explore variability.
RESULTS: All scoring approaches were negatively correlated with both outcomes, indicating that higher secondary health condition burden was associated with worse functioning and poorer health. The score combining the modified SCI-SCS with condition-specific mortality weights showed the highest correlations, though differences from the unweighted score were small. Both scores demonstrated moderate associations with the outcomes. Country-level analyses revealed variability, partly related to sample size, but overall patterns were consistent.
CONCLUSION: The modified SCI-SCS demonstrated moderate and robust associations with functioning and self-reported health, supporting its use as a pragmatic proxy of overall health status in individuals with SCI. Weighting by mortality risks yielded only marginal gains, suggesting that the unweighted score remains a suitable option for research and practice. These findings advance the use of self-reported measures to capture health burden in SCI and encourage further validation with independent outcomes and across diverse contexts.