Table 2.

Results

	DM		Control
	Mean	SD	Mean	SD	Mean dif.	P signif.
TX. duration (months)	14.58	3.30	13.91	5.28	-0.67	.335
No. of refinements	1.00	0.77	0.79	1.01	-0.21	.146
No. of refinement aligners	19.91	12.10	19.85	14.99	-0.06	.983
Time to 1st refinement	9.46	3.78	9.97	4.65	0.51	.567
No. appointments	7.56	2.79	9.82	3.68	2.26	< .001