Table 3.

Spearman correlations between the factors potentially influencing the relapse and the extent of the relapse

	ρ	p-value*
Cleft form	− 0.221	0.240
Number of congenital missing teeth	− 0.184	0.331
Dysgnathia at baseline T1	0.306	0.101
Overjet at baseline T1	− 0.207	0.272
Overbite at baseline T1	− 0.097	0.611
Extent of therapeutic change	0.425	0.019*
Gap closure for congenital missing upper incisors	− 0.209	0.267
Extractions of permanent teeth	0.338	0.068
Duration of treatment	0.220	0.243
Treatment breaks	− 0.034	0.857
Number of osteotomies	0.359	0.052
Occlusion at the end of treatment T2	0.109	0.566
Physiological occlusion at the end of treatment T2	− 0.268	0.152
Fixed retainer in the maxilla	0.038	0.172

^*p-values represent statistical significance at 5% (p </= 0.05)