Table 4 Secondary outcomes within and between different groups
Items | Group A (electro-acupuncture) | Group B (sham acupuncture) | Group A vs Group B | |||
|---|---|---|---|---|---|---|
Mean Changes from Baseline (95% CI) | P Value | Mean Changes from Baseline (95% CI) | P Value | Differences (95% CI) | P Value | |
Weight (kg) | ||||||
 Before treatment  0 wk | NA | NA | NA | NA | 1.0 (-3.1 to 5.2) | 0.617 |
 During treatment  4 wk | -1.6 (-1.0 to -0.3) | 0.001 | -0.7 (-1.0 to -0.4) | 0.597 | -0.9 (-3.0 to 5.3) |  < 0.001 |
 After treatment  8 wk | -3.0 (-1.4 to -0.5) |  < 0.001 | -1.0 (-1.4 to -0.6) | 0.034 | -2.0 (-3.1 to 5.3) |  < 0.001 |
 Follow up  16 wk | -2.3 (-2.0 to -0.7) |  < 0.001 | -1.3 (-1.9 to -0.7) | 0.643 | -1.0 (-3.3 to 5.3) |  < 0.001 |
Body Mass Index (kg/m2) | ||||||
 Before treatment  0 wk | NA | NA | NA | NA | 0.5 (-0.8 to 1.7) | 0.456 |
 During treatment  4 wk | -0.4 (-0.6 to -0.2) |  < 0.001 | -0.2 (-0.8 to -0.2) | 0.103 | -0.2 (-0.7 to 1.8) | 0.037 |
 After treatment  8 wk | -0.4 (-0.6 to -0.1) | 0.009 | -0.2 (-0.9 to -0.3) | 0.257 | -0.2 (-0.6 to 2.0) | 0.021 |
 Follow up  16 wk | -0.6 (-0.9 to -0.3) |  < 0.001 | -0.1 (-1.0 to -0.3) | 0.074 | -0.5 (-0.7 to 1.9) | 0.005 |
Hip Circumference (cm) | ||||||
 Before treatment  0 wk | NA | NA | NA | NA | 0.6 (-1.9 to 3.1) | 0.626 |
 During treatment  4 wk | -1.8 (-2.5 to -1.0) |  < 0.001 | -0.4 (-2.0 to 2.9) |  < 0.001 | -1.5 (-2.2 to -0.8) | 0.723 |
 After treatment  8 wk | -2.4 (-2.5 to -1.2) |  < 0.001 | -1.2 (-1.3 to 3.8) |  < 0.001 | -1.2 (-3.3 to -1.5) | 0.041 |
 Follow up  16 wk | -2.7 (-3.6 to -1.9) |  < 0.001 | -0.7 (-1.9 to 3.3) | 0.601 | -2.0 (-3.7 to -1.7) |  < 0.001 |
Waist-to-hip Circumference Ratio | ||||||
 Before treatment  0 wk | NA | NA | NA | NA | 0.06 (-0.01 to 0.15) | 0.549 |
 During treatment  4 wk | -0.02 (-0.04 to 0.12) | 0.020 | -0.00 (-0.01 to 0.07) | 0.861 | 0.03 (-0.02 to 0.89) | 0.032 |
 After treatment  8 wk | -0.03 (-0.01 to 0.15) | 0.007 | -0.01 (-0.02 to 0.15) | 0.254 | 1.2 (-1.3 to 3.8) | 0.001 |
 Follow up  16 wk | -0.01 (-0.01 to 0.08) | 0.549 | -0.00 (-0.02 to 0.08) | 0.714 | 0.7 (-1.9 to 3.3) | 0.046 |
Body Fat Percentage, % | ||||||
 Before treatment  0 wk | NA | NA | NA | NA | -0.7 (-2.7 to 1.4) | 0.535 |
 During treatment  4 wk | 0.0 (-0.6 to 0.6) | 0.919 | -0.1 (-0.8 to 0.4) | 0.435 | 0.1 (-2.0 to 2.0) | 0.973 |
 After treatment  8 wk | -0.3 (-0.9 to 0.3) | 0.001 | -0.2 (-1.8 to 0.1) | 0.058 | -0.1 (-2.0 to 2.1) | 0.049 |
 Follow up  16 wk | -0.3 (-0.9 to 0.4) | 0.433 | -0.2 (-1.8 to 0.1) | 0.072 | -0.1 (-1.9 to 2.2) | 0.892 |