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Journal of Orthopaedic Science

, Volume 15, Issue 4, pp 509–517

First Online: 19 August 2010Received: 06 December 2009Accepted: 09 March 2010

Abstract

BackgroundThe Patient-Rated Wrist Evaluation is a regionspecific, self-administered questionnaire consisting of a pain scale PRWE-P and a functional scale PRWE-F, with the latter consisting of specific function PRWE-SF and usual function PRWE-UF. The PRWE was cross-culturally adapted from the original English version by the Impairment Evaluation Committee, Japanese Society for Surgery of the Hand JSSH. The purpose of this study was to test the reliability, validity, and responsiveness of the Japanese version of PRWE PRWE-J.

MethodsA consecutive series of 117 patients with wrist disorders completed the PRWE-J, the JSSH version of the Disabilities of the Arm, Shoulder, and Hand DASH-JSSH questionnaire and the 36-Item Short-Form Health Survey SF-36. Of the 117 patients, 71 were reassessed for test-retest reliability 1 or 2 weeks later. Reliability was investigated by reproducibility and internal consistency. To analyze the validity, a factor analysis principal axis factoring of PRWE-J and correlation coefficients between PRWE-J and DASH-JSSH were obtained. Responsiveness was examined by calculating the standardized response mean SRM mean change-SD and effect size mean change-SD of baseline value after open surgery in 50 patients.

ResultsCronbach’s α coefficients for PRWE-P, PRWE-F, and PRWE were 0.90, 0.95, and 0.95, respectively. The intraclass correlation coefficients ICCs for the same were 0.86, 0.93, and 0.92, respectively. Unidimensionality of PRWE-P was con-firmed. Bidimensionality of PRWE-F was confirmed and separated clearly into PRWE-SF and PRWE-UF. The correlation coefficients between PRWE-P and PRWE-F or DASH-JSSH were 0.63 or 0.63, respectively. The correlation coefficient between PRWE-F and DASH-JSSH was 0.80. The correlation coefficients between DASH-JSSH and PRWE-SF or PRWE-UF were 0.76 or 0.73, respectively. Moderate correlation was observed in -physical functioning- for SF-36 and PRWE-SF r = −0.46, PRWE-F r = −0.46, or PRWE r = −0.46. The SRMs-effect sizes of PRWE-P, PRWE-F, or PRWE were respectively excellent: 1.7-2.2, 1.2-1.3, 1.6-1.9.

ConclusionsThe PRWE-J has evaluation capacities equivalent to those of the original PRWE.

for the Clinical Outcomes Committee of the Japanese Orthopaedic Association and the Functional Evaluation Committee of the Japanese Society for Surgery of the Hand

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Autor: Toshihiko Imaeda - Shigeharu Uchiyama - Takuro Wada - Shuji Okinaga - Takuya Sawaizumi - Shohei Omokawa - Toshimitsu Momose

Fuente: https://link.springer.com/



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