Table 2. Multiple logistic regression test for effective change in CVAI (%).

Variables	Mean	SD	P value
Start age, mon	7.2564	5.00903	0.001a
Treatment duration, mon	6.6410	5.09637	0.410
Applied hr/day	19.0256	5.78331	0.451
Initial CI index	89.9538	5.74579	0.551
Initial absolute diagonal distance difference, mm	14.4359	4.08331	< 0.001a
Initial CVAI index, %	11.6156	3.60150	< 0.001a

SD = standard deviation, CVAI = cranial vault asymmetry index, CI = confidence interval.

^aStatistically significant P < 0.05.