Table 3.
Differences in PROMs From Preintervention to Postintervention Between the ACT and Control Groups.
| PROMs | Time Point | Control Group (Mean ± SD) | ACT Group (Mean ± SD) | P-Value | Effect Size |
|---|---|---|---|---|---|
| PROMIS MH | Pre | 46.8 ± 7.7 | 46.3 ± 9.8 | .818 | 0.26 |
| Post | 46.2 ± 7.8 | 47.2 ± 7.6 | .521 | ||
| Change | −0.6 | 0.9 | .230 | ||
| PROMIS PH | Pre | 41.5 ± 6.5 | 41.3 ± 6.7 | .903 | 0.42 |
| Post | 40.1 ± 6.6 | 41.5 ± 6.1 | .302 | ||
| Change | −1.3 | 0.3 | .055 | ||
| PROMIS Pain NRS | Pre | 5.9 ± 1.9 | 5.4 ± 2.1 | .360 | 0.32 |
| Post | 6.2 ± 2.2 | 5.5 ± 2.2 | .123 | ||
| Change | 0.3 | 0.1 | .223 | ||
| PROMIS Pain Intensity 3a | Pre | 53.5 ± 6.2 | 52.2 ± 7 | .374 | 0.32 |
| Post | 54.1 ± 6.6 | 51.2 ± 6 | .035 | ||
| Change | 0.5 | −1.1 | .148 | ||
| PROMIS Pain Interference | Pre | 61.1 ± 5.3 | 62.8 ± 7.4 | .220 | 0.15 |
| Post | 61 ± 6 | 62.1 ± 6.8 | .416 | ||
| Change | −0.1 | −0.7 | .500 | ||
| PROMIS Anxiety | Pre | 53.6 ± 9.4 | 54 ± 10.3 | .845 | 0 |
| Post | 52.6 ± 10.1 | 53 ± 10.5 | .848 | ||
| Change | −1 | −1 | .995 | ||
| HOOS JR | Pre | 52.5 ± 11 | 51 ± 10.4 | .686 | 0.18 |
| Post | 49.9 ± 11.8 | 49.6 ± 10.1 | .950 | ||
| Change | −2.6 | −1.3 | .612 | ||
| KOOS JR | Pre | 46.9 ± 15.1 | 45 ± 18.2 | .687 | 0.84 |
| Post | 40.6 ± 19.4 | 47.4 ± 15 | .159 | ||
| Change | −6.3 | 2.4 | .004 |
PROM, patient-reported outcome measure; ACT, acceptance and commitment therapy; SD, standard deviation; PROMIS, Patient-Reported Outcome Measure Information System; MH, Mental Health; PH, Physical Health; 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.