Table 4.

Regression between upper molar intrusion and selected variables

	Regression equation	r 2	r a	P
Pg-VRL	1.79 + − 0.19 U6-PP	0.79	− 0.88	**
Me-HRL	− 0.63 + 0.83 U6-PP	0.82	0.91	**
Pg′-VRL	2.18 + − 0.10 U6-PP	0.16	− 0.40	*
Me′-HRL	− 1.96 + 0.38 U6-PP	0.59	0.77	**
Overbite	2.88 + − 1.17 U6-PP	0.53	− 0.73	**
Overjet	− 0.67 + 0.38 U6-PP	0.51	0.72	**
Li-VRL	2.13 + − 0.14 U6-PP	0.27	− 0.51	*

^aPearson moment correlation coefficient

*P ≤ 0.01; **P ≤ 0.001