Table 3.
Mean Score Changes for PROMIS Instruments and qDASH
| 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] |
aThis is the mean difference with its associated 95% confidence interval between the no change score and the change score