Table 2.
Clinical outcomes at program end and respective differences between groups (end scores and total changes): intention-to-treat analysis (N=82).
Outcome variables | Digital group 8-week scores, median (95% CI) | Conventional group 8-week scores, median (95% CI) | Estimate 8-week scores difference between groups, median (95% CI) | P value | Estimate change difference between groups, median (95% CI) | P value |
QuickDASHa | 15.5 (7.7 to 23.2) | 13.1 (5.8 to 20.3) | –2.3 (–14.7 to 10.0) | .71 | –1.8 (–13.5 to 9.8) | .75 |
Pain level–worst | 2.6 (2.2 to 3.0) | 1.5 (1.2 to 1.8) | –0.9 (–1.6 to –0.3) | .002 b | –0.6 (0.2 to 1.4) | .12 |
Pain level–least | 0.7 (0.6 to 0.7) | 0.7 (0.5 to 0.7) | –0.1 (–0.2 to 0.0) | .15 | –1.1 (–1.5 to 0.6) | <.001 |
Pain level–average | 2.1 (1.9 to 2.3) | 1.5 (1.4 to 1.7) | –0.6 (–0.9 to –0.4) | <.001 | –0.9 (–1.4 to –0.5) | <.001 |
Surgery intent | 6.3 (0.0 to 23.2)c | 7.2 (0.0 to 25.1)c | 1.4 (–33.2 to 36.0) | .94 | –2.2 (–34.6 to 30.2) | .89 |
GAD-7d | 2.8 (2.1 to 3.5) | 2.2 (1.7 to 2.7) | –0.5 (–1.5 to 0.5) | .30 | –0.3 (–1.0 to 0.5) | .51 |
PHQ-9e | 2.7 (2.0 to 3.4) | 1.6 (1.3 to 1.9) | –0.9 (–1.6 to –0.2) | <.01 | –0.5 (–1.3 to 0.4) | .27 |
aQuickDASH: short-form of Disabilities of the Arm, Shoulder, and Hand questionnaire.
bSignificant P values are presented in italics.
cCIs were fixed to 0 since analysis provided results outside the range of the corresponding scale.
dGAD-7: Generalized Anxiety Disorder 7-item scale.
ePHQ-9: Patient Health Questionnaire 9-item.