Influence of maxillary posterior dentoalveolar discrepancy on angulation of maxillary molars in individuals with skeletal open bite

Progress in Orthodontics

Table 6 Principal component analysis to reduce the number of variables under study

Variables	Component
Variables	1	2	3	4
SNA	−0.11	0.79^a	0.09	0.11
SNB	−0.80	0.47	0.24	−0.03
ANB	0.89^a	0.15	−0.21	0.15
APDI	−0.91	0.06	0.14	−0.15
FMP	0.62^a	−0.03	0.43	−0.37
A′P′	0.17	0.77^a	−0.10	−0.27
A′6′	0.41	0.47	0.59^a	0.34
Ratio	0.27	−0.07	0.70^a	0.59
ODI	0.59^a	0.18	−0.58	0.37
Overbite	−0.27	−0.46	0.16	0.39
Lower anterior facial height	−0.40	0.16	0.24	−0.58
Ratio facial height	−0.42	0.47	−0.32	0.44