Table 2.

Measurements of hard tissue indexes at different cervical vertebral maturation stage

Item	CS1		CS2		CS3		CS4		CS5
	¯X ± S	P value	¯X ± S	P value	¯X ± S	P value	¯X ± S	P value	¯X ± S	P value
SNA	79.75 ± 3.42	0.000	80.73 ± 2.36	0.004	81.60 ± 2.76	0.512	80.13 ± 3.67	0.165	81..00 ± 2.64	0.215
SNB	74.69 ± 5.05	0.000	74.59 ± 4.70	0.000	75.82 ± 5.51	0000	76.40 ± 3.18	0.003	78.21 ± 3.78	0.031
ANB	4.53 ± 2.27	0.000	5.36 ± 1.97	0.000	5.72 ± 5.20	0.027	3.73 ± 2.91	0.473	2.81 ± 1.72	0.715
Y	71.83 ± 4.79	0.000	72.22 ± 2.91	0.000	70.28 ± 5.45	0.012	72.56 ± 3.14	0.001	70.29 ± 4.07	0.017
SN-MP	39.13 ± 4.79	0.000	39.16 ± 4.36	0.000	36.94 ± 3.46	0.000	37.63 ± 3.85	0.007	35.43 ± 7.49	0.286
FH-MP	29.69 ± 4.21	0.000	29.82 ± 3.85	0.000	29.21 ± 3.88	0.001	28.33 ± 3,78	0.090	27.64 ± 6.76	0.393
SN-Ar	123.80 ± 5.23	0.796	124.42 ± 5.16	0.647	120.93 ± 9.10	0.137	123.52 ± 6.26	0.825	118.47 ± 11.47	0.123
SArGo	151.01 ± 5.67	0.000	150.44 ± 6.12	0.000	152.65 ± 5.27	0.000	153.00 ± 4.78	0.001	152.86 ± 4.04	0.000
ArGo	34.57 ± 3.41	0.000	35.29 ± 3.53	0.000	37.72 ± 3.97	0.083	38.61 ± 4.62	0.665	39.75 ± 4.62	0.742
PP-MP	28.72 ± 4.83	0.000	29.84 ± 4.53	0.000	27.91 ± 4.16	0.004	27.20 ± 4.34	0.167	25.27 ± 6.48	0.887
SN-PP	10.48 ± 2.69	0.000	9.32 ± 3.08	0.019	8.95 ± 1.89	0.032	9.44 ± 0.68	0.000	10.13 ± 3.53	0.060
SN-GoGn	36.4215 ± 4.75	0.000	36.43 ± 4.13	0.000	34.23 ± 3.47	0.119	34.96 ± 3.85	0.165	32.85 ± 7.31	0.944
ArGoNa	47.68 ± 3.99	0.000	48.18 ± 3.95	0.000	46.37 ± 3.87	0.000	45.62 ± 3.77	0.000	45.85 ± 3.82	0.000
NaGoMe	76.64 ± 4.62	0.000	76.07 ± 4.79	0.000	75.12 ± 4.65	0.000	75.21 ± 4.84	0.009	75.43 ± 6.19	0.008
GoGn	65.41 ± 5.60	0.000	65.65 ± 7.22	0.000	69.49 ± 6.90	0.001	67.34 ± 9.91	0.041	71.33 ± 4.5	0.010