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Table 3 Mean Score Changes for PROMIS Instruments and qDASH

From: The responsiveness of the PROMIS instruments and the qDASH in an upper extremity population

Instrument n No Change (SD) n Change (SD) Mean Difference [95% CI]a
3-month follow-up
 PROMIS PF 29 9.00 (8.18) 31 8.64 (8.20) 0.36 [−3.88, 4.59]
 PROMIS PI 25 5.95 (7.51) 31 10.68 (6.56) −1.47 [−8.50, −0.96]
 PROMIS UE 28 8.04 (6.19) 28 9.51 (7.54) 0.18 [−5.17, 2.24]
 qDASH 30 24.40 (20.53) 29 24.22 (16.81) −4.72 [−9.62, 9.98]
>3-month follow-up
 PROMIS PF 177 7.14 (6.85) 151 8.53 (7.31) −1.39 [−2.93, 0.15]
 PROMIS PI 145 6.05 (5.78) 177 7.48 (6.86) −1.44 [−2.82, −0.05]
 PROMIS UE 173 7.44 (6.46) 148 8.54 (6.86) −1.10 [−2.56, 0.36]
 qDASH 175 18.23 (17.10) 149 22.34 (17.75) −4.10 [−7.93, −0.27]
6-month follow-up
 PROMIS PF 11 5.92 (6.23) 18 8.91 (7.06) −2.99 [−8.30, 2.33]
 PROMIS PI 9 4.32 (3.70) 20 4.81 (4.16) −0.48 [−3.80, 2.83]
 PROMIS UE 11 8.21 (5.46) 18 7.57 (5.33) 0.64 [−3.58, 4.87]
 qDASH 11 17.77 (14.40) 18 18.18 (13.34) −0.41 [−11.60, 10.77]
>6-month follow-up
 PROMIS PF 78 6.73 (5.65) 53 8.36 (6.67) −1.62 [−3.78, 0.53]
 PROMIS PI 69 5.97 (5.35) 62 6.71 (5.85) −0.74 [−2.69, 1.20]
 PROMIS UE 76 6.67 (6.50) 52 8.37 (5.84) −1.70 [−3.92, 0.52]
 qDASH 81 17.21 (17.09) 55 21.86 (17.34) −4.65 [−10.60, 1.29]
  1. aThis is the mean difference with its associated 95% confidence interval between the no change score and the change score