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Table 2 Internal consistency of various DASH studies

From: Validation of the simplified Chinese (Mainland) version of the Disability of the Arm, Shoulder, and Hand questionnaire (DASH-CHNPLAGH)

Study The area and language evaluated Internal consistency (a) Test–retest reliability (ICC)
Fayad et al. (2008) [6] France (French) 0.96 0.95
Varjú1 et al. (2008) [26] Hungary (Hungarian) 0.94 0.89
Lee et al. (2008) [20] Korea (Korean) 0.94 0.91
Imaeda et al. (2005) [8] Japan (Japanese) 0.96 0.82
Lee et al. (2004) [10] Hong Kong (Cantonese Chinese) 0.94 0.77
Liang et al. (2004) [11] Taiwan (traditional Chinese) 0.96 0.90
Offenbächer et al. (2003) [27] German (Germany) 0.95 0.90
Padua et al. (2003) [25] Italy (Italian) 0.90 0.89
Rosales et al. (2002) [28] Spain (Spanish) 0.95
Beaton et al. (2001) [22] Canada and USA (English) 0.96
Atroshi et al. (2000) [29] Sweden (Swedish) 0.96 0.92
This study China (Mandarin Chinese) 0.96 0.94