BACKGROUND: The most reliable and valid instruments for assessing @entity1 outcome after @entity8043 have not been identified. HYPOTHESIS: Knee-specific and general health instruments will differ in validity and reliability for @entity1 with @entity8043 . STUDY DESIGN: Prospective cohort study. METHODS: Subjects consisted of 153 @entity1 with @entity8043 (110 with first-time dislocations and 43 with a history of patellofemoral @entity7194 ). We administered the modified International Knee Documentation Committee form, Kujala, Fulkerson, Lysholm, Tegner, Short Form 36, and Musculoskeletal Function Assessment instruments on two separate occasions (test-retest reliability). Validity was assessed by comparing scores of the two groups and by comparing scores of @entity1 with and without recurrent @entity7194 during follow-up. RESULTS: The knee-specific instruments yielded the highest test-retest reliability. The knee-specific and general health instruments identified higher disability levels in the @entity1 with a history of patellofemoral problems than in those with first-time dislocations. The general health instruments identified higher disability levels in @entity1 with @entity8043 than published norms. The Fulkerson and Lysholm scales were the only instruments to differentiate between @entity1 with and without recurrent @entity7194 . CONCLUSIONS: Knee-specific scales yielded higher reliability coefficients and stronger validity than did general health instruments. Knee-specific, general health, and activity level instruments are complementary and in combination provide a more complete assessment for @entity1 with @entity8043 .

The reliability and validity of knee-specific and general health instruments in assessing XXXX outcomes.

@entity1 :: ('9606', 'Species') :: ['patients', 'patient'] @entity8043 :: ('MESH:D031222', 'Disease') :: ['acute patellar dislocation', 'patellar dislocation'] @entity7194 :: ('MESH:D007906', 'Disease') :: ['subluxation or dislocation', 'subluxations/dislocations']
@entity8043 :: (MESH:D031222,Disease) :: ['acute patellar dislocation']
