Skip to main content
. 2021 Jul 24;14:2265–2282. doi: 10.2147/JPR.S316371

Table 4.

Mean Changes in Efficacy Measures from Baseline to 3-Months Using a MMRM Analysis

Measure N Mean Change SE Treatment Comparison
(Active - Sham)
Difference 95% CI p-value
FIQR Total Score
 Sham 57 −6.02 1.81
 Active 62 −13.49 1.69 −7.47 −12.46, −2.48 0.003
FIQR Pain Item
 Sham 57 −1.21 0.20
 Active 62 −1.83 0.19 −0.62 −1.17, −0.06 0.029
FIQR Sleep Quality Item
 Sham 57 −0.55 0.31
 Active 62 −1.59 0.28 −1.04 −1.87, −0.20 0.015
BPI Severity
 Sham 57 −0.89 0.17
 Active 62 −1.19 0.16 −0.40 −0.87, 0.08 0.102
BPI Interference
 Sham 57 −1.14 0.22
 Active 62 −1.84 0.20 −0.70 −1.30, −0.11 0.021
PDQ
 Sham 57 0.06 0.56
 Active 62 −1.63 0.51 −1.69 −3.20, −0.18 0.028
PDI
 Sham 57 −3.43 1.25
 Active 62 −6.07 1.11 −2.64 −5.99, 0.70 0.121
HADS
 Sham 57 −1.01 0.51
 Active 62 −1.82 0.49 −0.81 −2.22, 0.60 0.259
PCS
 Sham 57 −3.53 0.86
 Active 62 −3.39 0.78 0.15 −2.17, 2.46 0.902

Notes: Significant within group improvement at p<0.05; Significant within group improvement at p<0.001.

Abbreviations: MMRM, mixed-model for repeated measures; SE, standard error; CI, confidence interval; FIQR, Fibromyalgia Impact Questionnaire Revised; BPI, Brief Pain Inventory; PDQ, painDETECT questionnaire; PDI, Pain Disability Index; HADS, Hospital Anxiety and Disability Scale; PCS, Pain Catastrophizing Scale.