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Table 3 Non-parametric MANCOVA on molar angulation at different treatment statuses (pre- or post-treatment), and side memberships (space closure or control)

From: Effect of mandibular first molar mesialization on alveolar bone height: a split mouth study

  d.f. F p
Covariate (patient) 1 0.01 0.935
Side 1 0.23 0.634
Treatment status 1 1.78 0.183
Side × treatment status 1 0.85 0.365
Residual 95   
Total 99   
  1. Two crossed factors and their interactions were analyzed in each case having “patient” as a covariate: treatment status (fixed factor; 2 statuses) and side membership (fixed factor; 2 sides)