Table 4.
The Percentage of Each Group That Achieved the MCID on Each Patient-Reported Outcome Measure.
| Measure | n (%) ≥ MCID+ |
P-Value | n (%) ≤ MCID− |
P-Value | ||
|---|---|---|---|---|---|---|
| Control (N = 40) | ACT (N = 45) | Control (N = 40) | ACT (N = 45) | |||
| PROMIS Mental Health (higher is better, so V2-V1) | 10 (25.0%) | 14 (31.1%) | .5321 | 13 (32.5%) | 7 (15.6%) | .0660 |
| PROMIS Physical Health (higher better, so V2-V1) | 7 (17.5%) | 17 (37.8%) | .0382 | 18 (45.0%) | 15 (33.3%) | .2706 |
| PROMIS Pain NRS (lower is better, so V1-V2) | 6 (15.0%) | 10 (22.2%) | .3952 | 15 (37.5%) | 12 (26.7%) | .2843 |
| PROMIS Pain Intensity 3a (lower is better, so V1-V2) | 8 (20.0%) | 11 (24.4%) | .6235 | 10 (25.0%) | 8 (17.8%) | .4159 |
| PROMIS Pain Interference (lower is better, so V1-V2) | 9 (22.5%) | 14 (31.1%) | .3724 | 11 (27.5%) | 6 (13.3%) | .1031 |
| PROMIS Anxiety (lower is better, so V1-V2) | 15 (37.5%) | 14 (31.1%) | .5352 | 10 (25.0%) | 10 (22.2%) | .7631 |
| HOOS JR or KOOS JR (higher is better, so V2-V1) | 1 (2.5%) | 11 (24.4%) | .0037 | 13 (32.5%) | 7 (15.6%) | .0660 |
MCID, minimal clinically important difference; ACT, acceptance and commitment therapy; PROMIS, Patient-Reported Outcome Measure Information System; NRS, numeric rating scale; HOOS, Hip Disability and Osteoarthritis Outcome Score Joint Replacement; KOOS, Knee Disability and Osteoarthritis Outcome Score Joint Replacement.
Bold values indicate the statistical significance.