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Table 2 Primary and secondary outcomes

From: Efficacy of electro-acupuncture and manual acupuncture versus sham acupuncture for knee osteoarthritis: statistical analysis plan for a randomized controlled trial

Outcomes

EA (n)

MA (n)

SAb (n)

P value

Pairwise comparison

EA vs. SA

MA vs. SA

EA vs. MA

Difference (95% CI)

P value

Difference (95% CI)

P value

Difference (95% CI)

P value

Success rate, no. (%)

 4 weeks

x (xx.x)

x (xx.x)

x (xx.x)

xx.x (xx.x- xx.x)

xx.x

xx.x (xx.x- xx.x)

xx.x

 8 weeks

x (xx.x)

x (xx.x)

x (xx.x)

xx.x (xx.x- xx.x)

xx.x

xx.x (xx.x- xx.x)

xx.x

 16 weeks

x (xx.x)

x (xx.x)

x (xx.x)

xx.x (xx.x- xx.x)

xx.x

xx.x (xx.x- xx.x)

xx.x

 26 weeks

x (xx.x)

x (xx.x)

x (xx.x)

xx.x (xx.x- xx.x)

xx.x

xx.x (xx.x- xx.x)

xx.x

Numerical Rating Scale, mean (SD)

 Baseline

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x

xx.x (xx.x- xx.x)

xx.x

xx.x (xx.x- xx.x)

xx.x

xx.x (xx.x- xx.x)

xx.x

 4 weeks

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

 8 weeks

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

 16 weeks

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

 26 weeks

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

WOMAC pain subscale, mean (SD)

 Baseline

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x

xx.x (xx.x- xx.x)

xx.x

xx.x (xx.x- xx.x)

xx.x

xx.x (xx.x- xx.x)

xx.x

 4 weeks

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

 8 weeks

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

 16 weeks

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

 26 weeks

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

WOMAC function subscale, mean (SD)

 Baseline

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x

xx.x (xx.x- xx.x)

xx.x

xx.x (xx.x- xx.x)

xx.x

xx.x (xx.x- xx.x)

xx.x

 4 weeks

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

 8 weeks

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

 16 weeks

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

 26 weeks

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

WOMAC stiffness subscale, mean (SD)

 Baseline

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x

xx.x (xx.x- xx.x)

xx.x

xx.x (xx.x- xx.x)

xx.x

xx.x (xx.x- xx.x)

xx.x

 4 weeks

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

 8 weeks

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

 16 weeks

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

 26 weeks

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

Patient global assessment, mean (SD)

 Baseline

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x

xx.x (xx.x- xx.x)

xx.x

xx.x (xx.x- xx.x)

xx.x

xx.x (xx.x- xx.x)

xx.x

 4 weeks

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

 8 weeks

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

 16 weeks

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

 26 weeks

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

SF-12 physical health, mean (SD)

 Baseline

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x

xx.x (xx.x- xx.x)

xx.x

xx.x (xx.x- xx.x)

xx.x

xx.x (xx.x- xx.x)

xx.x

 4 weeks

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

 8 weeks

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

 16 weeks

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

 26 weeks

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

SF-12 mental health, mean (SD)

 Baseline

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x

xx.x (xx.x- xx.x)

xx.x

xx.x (xx.x- xx.x)

xx.x

xx.x (xx.x- xx.x)

xx.x

 4 weeks

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

 8 weeks

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

 16 weeks

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

 26 weeks

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

xx.x (xx.x- xx.x)

  1. EA electro-acupuncture, MA manual acupuncture, SA sham acupuncture, WOMAC Western Ontario and McMaster Universities Osteoarthritis Index, SD standard deviation, SF-12 12-item Short Form Health Survey