Skip to main content

Table 4 Discriminant validity: DASH (n = 327), QuickDASH (n = 334), WORKDASH (n = 157) and SPAMDASH (n = 57) median (IQR) scores and differences between perceived disease activity groups

From: Linguistic validation, validity and reliability of the British English versions of the Disabilities of the Arm, Shoulder and Hand (DASH) questionnaire and QuickDASH in people with rheumatoid arthritis

  Low disease activity (0–3) Moderate disease activity (4–6) High disease activity (7–10) Chi-square df p
DASH 19.58 (9.58–36.32) 42.81 (27.29–58.33) 57.50 (43.33–72.50) 399.40 332 0.007
QuickDASH 15.91 (6.82–36.36) 40.91 (25.00–52.27) 56.82 (39.77–65.91) 214.00 102 0.000
WORKDASH 12.50 (0–29.69) 28.13 (18.75–50.0) 50.0 (31.25–68.75) 71.37 28 0.000
SPAMDASH 25 (0–37.5) 56.25 (31.25–87.50) 100 (75.00–100) 50.02 28 0.006