Table 5

Distribution of Tönnis grade in the AT and PT groups at the time of RCT and of follow-up

AT (n=24)PT (n=21)
Tönnis grade012012
RCT*20311641
Follow-up**15811542
  • *p=0.567 (two-sample Wilcoxon rank-sum (Mann-Whitney) test).

  • **p=0.650 (two-sample Wilcoxon rank-sum (Mann-Whitney) test).

  • AT, active treatment; PT, passive treatment; RCT, randomised controlled trial.