Table 2.

The averages of the pre- and post-surgical cephalometric measurements.

	Pre-surgical		Post-surgical		Difference
	(T1)		(T2)		(T1-T2)
	Mean	SD	Mean	SD	Mean	SD	p
APOINTAP (mm)	-7.38	4.5	-4.13	5.4	3.25	4.9	0.011*
ITIPAP (mm)	-6.13	6.2	-.3.38	7.1	2.75	6.6	0.01*
NASALAP (mm)	26.63	5.0	26.25	5.2	-0.38	5.1	0.61
APOINTSI (mm)	54.25	6.7	52.25	5.9	-2.00	6.3	0.03*
ITIPSI (mm)	76.63	9.0	74.63	8.4	-2.00	8.7	0.02*
NASALSI (mm)	41.75	6.4	40.50	6.3	-1.25	6.6	0.008*
NLA ( o )	104.75	16.9	103.0	11.9	-1.60	14.4	0.44
CLA ( o )	30.38	5.8	29.0	6.5	-1.38	6.1	0.67
L1TIPAP (mm)	-3.75	13.5	-2.63	10.2	1.12	11.8	0.12
L1TIPSI (mm)	77.25	12.3	75.38	7.7	-1.83	10.0	0.09
Labiomental angle	137.38	6.6	128.0	6.9	-10.38	6.7	0.012*
BPOINTSP (mm)	98.63	14.7	96.50	8.0	-2.13	11.3	0.20
BPOINTAP (mm)	-13.63	6.7	-7.75	6.2	-5.88	6.4	0.012*
Soft Pog Vert (mm)	103.88	12.9	101.13	10.9	-2.75	11.4	0.14

(*) Statistically significant, (Wilcoxon test).

SD=Standard deviation.