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The Disabilities of the Arm, Shoulder, and Hand questionnaire in intercollegiate athletes: validity limited by ceiling effect.

Abstract：

HYPOTHESIS:The Disabilities of the Arm, Shoulder, and Hand (DASH) questionnaire has been validated as an effective upper extremity specific outcome measure. Normative scores have not been established for young athletes. This study was conducted to establish normative DASH scores for intercollegiate athletes. We hypothesized that DASH scores in intercollegiate athletes differ from published values obtained from the general population. MATERIALS AND METHODS:The DASH questionnaire was administered to 321 athletes cleared for full participation in intercollegiate sports. Their scores were compared with normative values in the general population and 2 other age-matched cohorts. RESULTS:Intercollegiate athletes had significantly better upper extremity function compared with the general population (1.37 +/- 2.96 vs 10.10 +/- 14.68, P < .001) and an age-matched cohort of employed adults (1.37 +/- 2.96 vs 5.40 +/- 7.57, P < .0001). The DASH was 0 for 65.1%. Within this cohort, men reported better upper extremity function than women (0.98 vs 1.82, P = .010). Athletes participating in overhead sports reported worse upper extremity function than nonoverhead athletes (1.81 vs 0.98, P = .042). DISCUSSION:We report normative DASH values for a group of intercollegiate athletes and show a significant difference between the scores of these athletes and the general population. Within our cohort of competitive athletes, overhead sports and female gender are associated with significantly lower DASH scores and sports module scores. The utility of using these results are limited by a substantial ceiling effect in this population of competitive athletes. Differences within our cohort and differences between our cohort and other populations are minimized by this ceiling effect. Various upper extremity outcome measures may be similarly limited by a ceiling effect and should be examined for appropriateness before use. CONCLUSION:Intercollegiate athletes report significantly greater upper extremity function than the general population; however, validity of the DASH in these athletes is limited and population differences may be minimized by a substantial ceiling effect.

journal_name

J Shoulder Elbow Surg

journal_title

Journal of shoulder and elbow surgery

authors

Hsu JE,Nacke E,Park MJ,Sennett BJ,Huffman GR

doi

10.1016/j.jse.2009.11.006

subject

Has Abstract

pub_date

2010-04-01 00:00:00

pages

349-54

issue

eissn

1058-2746

issn

1532-6500

pii

S1058-2746(09)00478-9

journal_volume

pub_type

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The Disabilities of the Arm, Shoulder, and Hand questionnaire in intercollegiate athletes: validity limited by ceiling effect.