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Table 6 Differential Weekly Mean Score Parameter Estimates for the PSQI Between VR and Control Arm Participants

From: An exploratory randomized controlled trial of virtual reality as a non-pharmacological adjunctive intervention for adults with chronic cancer-related pain

 

VR arm

Control arm

 

Time

Baseline PQSI

Mean (SE)

Weekly PQSI Mean (SE)

Change in PQSI (SE)

Baseline PQSI

Mean (SE)

Weekly PQSI

Mean (SE)

Change in PQSI (SE)

Group Differential*

VR vs Control, (95%CI)

Week 1

10.78 (0.54)

10.65 (0.54)

-0.13 (0.41)

10.53 (0.54)

10.03 (0.54)

-0.5 (0.41)

0.37 (-0.71, 1.5)

Week 2

10.78 (0.54)

10.54 (0.54)

-0.24 (0.42)

10.53 (0.54)

9.67 (0.54)

-0.86 (0.42)

0.62 (-0.49, 1.89)

Week 3

10.78 (0.54)

9.94 (0.54)

-0.84 (0.41)

10.53 (0.54)

9.82 (0.54)

-0.71 (0.42)

-0.13 (-1.19, 1.09)

Week 4

10.78 (0.54)

9.84 (0.54)

-0.94 (0.42)

10.53 (0.54)

9.26 (0.54)

-1.26 (0.41)

0.33 (-0.88, 1.57)

  1. aAdjusted differences of changes in mean weekly scores from the mean baseline scores
  2. bMCID = 1.3
  3. c*Negative values indicate VR group performed better than control; positive values indicate control better