Table 3 Standardized response means for different measures at each time point

6 weeks

0.51 (0.27 to 0.75)

0.40 (0.17 to 0.64)

0.62 (0.38 to 0.86)

0.61 (0.37 to 0.85)

0.21 (0.03 to 0.44)

3 months

0.82 (0.59 to 1.06)

0.81 (0.57 to 1.05)

0.96 (0.73 to 1.20)

0.96 (0.73 to 1.20)

0.66 (0.42 to 0.90)

6 months

1.05 (0.81 to 1.28)

0.96 (0.73 to 1.19)

1.34 (1.11 to 1.58)

1.20 (0.96 to 1.44)

0.85 (0.62 to 1.09)

12 months

1.26 (1.03 to 1.50)

1.16 (0.93 to 1.39)

1.61 (1.38 to 1.84)

1.43 (1.19 to 1.66)

0.79 (0.55 to 1.03)