Table 2

 Number of participants with follow up data at each time point

Control n (%)Active n (%)Total n (%)Difference between groups
Number randomised853 (50.0)852 (50.0)1705 (100.0)
Number with follow up data at 6 weeks818 (95.9)806 (94.6)1624 (95.2)p = 0.2
Number with follow up data at 12 weeks788 (92.3)746 (87.1)1534 (89.7)p = 0.0009
Number with follow up data at 26 weeks674 (79.0)591 (69.4)1265 (74.2)p = <0.0001