Treatment response and quality-adjusted life year (QALY) outcomes and group differences at 6-months follow-up
| ACTonPainguided
(n=100) | ACTonPainunguided
(n=101) | Waitlist control group (n=101) | Test statistic | |||
| Mean (SD) | Mean (SD) | Mean (SD) | χ 2 (df=2) | Post-hoc test*: | P value | |
|
Treatment response
(pain interference) | 0.44 (0.05) | 0.277 (0.04) | 0.158 (0.04) | 19.44† | <0.001 | |
| ACTonPainguided vs CG | t(1)=4.52 | <0.001 | ||||
| ACTonPainunguided vs CG | t(1)=1.91 | 0.17 | ||||
| ACTonPainguided vs ACTonPainunguided | t(1)=2.61 | 0.03 | ||||
|
QALY
AQoL-8D | 0.280 (0.08) | 0.266 (0.09) | 0.244 (0.08) | 9.45‡ | 0.009 | |
| ACTonPainguided vs CG | Z=−3.07 | 0.003 | ||||
| ACTonPainunguided vs CG | Z=−1.61 | 0.16 | ||||
| ACTonPainguided vs ACTonPainunguided | Z=−1.47 | 0.21 | ||||
| Sensitivity analysis EQ5D-3L | 0.274 (0.12) | 0.255 (0.12) | 0.253 (0.13) | 2.17‡ | 0.34 | |
CG, waitlist control group; SD, standard deviation; df, degrees of freedom; QALY, quality-adjusted life year.
*Post-hoc test for treatment response: Bonferroni pairwise comparison; Post-hoc test for QALY: Dunn’s test.
†χ2 test.
‡Kruskall-Wallis H test.