Skip to main content
. 2018 Nov;16(6):521–529. doi: 10.1370/afm.2320

Table 5.

Results of Group Effect on VAS Pain Score & Pain-Free Active Knee Flexion of Individual Treated Knees Using Mixed Linear Regression

Type of Assessment Intervention Group (n = 104), mean (SD) Control Group (n = 104), mean (SD) Imputed Data Analysis Model 1 Imputed Data Analysis Model 2 a

Between-Group Difference (95% CI) P Value SE Between-Group Difference (95% CI) P Value SE
Pain intensity total (VAS) of treated knee
 Week 0 62.6 (17.5) 63.6 (17.4)
 Week 24 42.1 (24.2) 57.7 (23.0) –15.6 (–21.7 to – 9.5) <.001 3.1 –15.0 (–20.5 to – 9.5) <.001 2.8
Degree of pain-free active knee flexion
 Week 0 125.8 (12.4) 124.1 (17.1)
 Week 24 130.0 (10.4) 118.6 (19.5) 11.0 (6.7 to 15.3) <.001 2.2 9.3 (6.0 to 12.5) <.001 1.6

SE = standard error; VAS = visual analog scale.

a

Adjusted for duration of knee pain, number of comorbidities, total amount of analgesic consumption, and age.