Table 1.

Comparison change in angular and linear parameters among different groups.

S.N.	Parameter	Group I (n = 10)		Group II (n = 10)		Group III (n = 10)		Significance of difference (ANOVA)
		Mean	SD	Mean	SD	Mean	SD	F	P
Angular (in degrees)
1	SNA	0.30	1.57	0.00	1.63	0.00	0.67	0.162	0.852
2	SNB	0.60	0.97	0.10	1.10	0.00	0.67	1.197	0.318
3	ANB	−0.10	1.29	−0.10	0.74	0.00	0.00	0.045	0.956
4	PP-SN	−0.30	2.11	0.40	2.63	0.40	0.84	0.405	0.671
5	Occl-SN	−0.40	3.44	0.30	4.42	3.00	6.46	1.322	0.283
6	Mp-SN	−0.50	2.22	0.40	1.43	−0.60	0.84	1.182	0.322
7	SN-U1	8.20	7.76	5.70	7.18	0.20	2.25	4.302	0.024
Linear (in mm)
1.	S–N	0.00	0.00	0.00	0.00	0.00	0.00	–	–
2.	Overjet	1.80	0.92	1.60	0.70	0.80	1.03	3.500	0.045
3.	Overbite	1.75	0.72	1.35	0.75	1.50	0.82	0.704	0.503
4.	PP-U1	1.60	0.52	1.25	0.98	0.70	0.63	3.800	0.035
5.	PP-U6	0.00	0.94	0.20	1.03	−0.80	0.79	3.259	0.054
6.	UL-U1	−1.50	1.96	−0.20	1.48	−0.40	1.07	2.051	0.148

n: number of patients, S.N.: Serial Number, SD: Standard Deviation, SNA: Angle formed by intersection of SN plane and a line joining nasion and point A, SNB: Angle formed by intersection of SN plane and a line joining nasion and point B, ANB: Angle formed by the intersection of lines joining nasion to point A and nasion to point B,PP-SN: angle between palatal plane and SN plane, Occl-SN: angle between Occlusal plane and SN plane, Mp-SN: Angle between Mandibular plane and SN plane,SN-U1: Angle formed by upper central incisor to SN plane, S–N: Distance from sella to nasion, PP-U1: Distance from palatal plane to upper central incisor, PP-U6: Distance from palatal plane to upper first molar, UL-U1: Distance from upper lip to upper central incisor.

All bold numbers are indicating significant results.