Table 4.

Comparison of parameters in all average faces generated by different imaging systems, different landmark configuration, and different base facial templates.

Parameter	Origin	Ave_D15	Ave_D24	Ave_MG15	Ave_MG24	Ave_MO15	Ave_MO24	Ave_D15 vs origin	Ave_D24 vs origin	Ave_MG15 vs origin	Ave_MG24 vs origin	Ave_MO15 vs origin	Ave_MO24 vs origin	Ave_D15 Ave_D24	Ave_M15pool Ave_M24pool	Ave_MGpool Ave_MOpool
Linear
En(L)–En(R)	34.0	33.3	33.3	32.5	33.3	31.2	31.9	0.7	0.7	1.5	0.7	2.8	2.1	0.0	−0.7	1.4
Ex(L)–Ex(R)	82.2	82.1	82.9	81.8	78.2	83.2	82.5	0.1	−0.7	0.4	4.0	−1.0	−0.3	-0.8	0.7	−2.8
N–Prn	38.1	38.1	37.7	36.8	36.6	36.7	36.6	0.0	0.4	1.3	1.5	1.4	1.5	0.4	0.1	0.0
Al(L)–Al(R)	34.8	34.3	34.7	34.4	34.6	34.8	34.6	0.5	0.1	0.4	0.2	0.0	0.2	−0.4	0.2	−0.2
Ls–Li	18.3	18.1	18.1	20.2	20.2	21.2	20.3	0.2	0.2	−1.9	−1.9	−2.9	−2.0	0.0	0.9	−0.6
Ch(L)–Ch(R)	43.4	43.2	43.8	42.6	40.7	43.6	41.6	0.2	−0.4	0.8	2.7	−0.2	1.8	−0.6	2.0	−0.9
N–Gn	102.0	98.8	98.6	101.3	102.6	102.5	102.5	3.2	3.4	0.7	-0.6	-0.5	-0.5	0.2	0.0	−0.6
Sbal(R)–Cph(R)	15.5	15.5	15.9	15.6	14.5	14.6	14.7	0.0	−0.4	−0.1	1.0	0.9	0.8	−0.4	−0.1	0.4
Sbal(L)–Cph(L)	15.6	15.8	16.3	15.4	14.6	14.9	14.6	−0.2	−0.7	0.2	1.0	0.7	1.0	−0.5	0.3	0.3
Cph(L)–Cph(R)	11.2	10.1	10.7	9.9	10.2	10.7	10.2	1.1	0.5	1.3	1.0	0.5	1.0	−0.6	0.5	−0.4
Sm–Gn	21.2	19.7	18.7	21.7	22.1	23.0	24.1	1.5	2.5	−0.5	−0.9	−1.8	−2.9	1.0	−1.1	−1.7
Sbal(L)–Sbal(R)	17.8	20.2	17.4	19.6	17.7	20.1	18.1	−2.4	0.4	−1.8	0.1	−2.3	−0.3	2.8	2.1	−0.5
Sn–Ls	14.5	12.6	13.9	12.9	12.5	12.2	12.5	1.9	0.6	1.6	2.1	2.3	2.0	−1.3	−0.3	0.4
Go(L)–Go(R)	108.9	110.9	109.0	111.5	112.1	111.5	112.6	−2.0	-0.1	−2.6	−3.2	−2.6	-3.7	1.9	−1.1	−0.3
Zy(L)–Zy(R)	131.2	128.3	128.1	131.8	129.9	131.4	131.2	2.9	3.1	−0.6	1.3	−0.2	0.0	0.2	0.2	−0.4
N–Sn	44.9	45.9	45.1	43.7	43.7	44.0	43.7	−1.0	-0.2	1.2	1.2	0.9	1.2	0.8	0.3	−0.1
Sn–Gn	58.7	54.5	54.4	59.4	60.6	60.3	60.6	4.2	4.3	-0.7	-1.9	−1.6	−1.9	0.1	-0.3	−0.5
Angular
Nasal root slope	123.5	123.7	125.1	124.8	123.2	124.5	126.1	−0.2	-1.6	−1.3	0.3	−1.0	-2.6	−1.4	−1.6	−1.3
Alar slope angle	80.6	80.4	80.1	81.2	80.5	80.6	80.0	0.2	0.5	−0.6	0.1	0.0	0.6	0.3	0.6	0.5
Labiomental angle	139.3	149.6	145.9	144.2	144.4	141.6	141.9	−10.3	−6.6	−4.9	−5.1	−2.3	−2.6	3.7	−0.3	2.6
N–Sn–Pog	163.9	164.8	168.6	162.8	163.5	163.6	163.5	−0.9	−4.7	1.1	0.4	0.3	0.4	−3.8	0.1	−0.4
N–Prn–Pog	136.2	138.9	138.7	136.2	135.6	136.0	135.6	−2.7	−2.5	0.0	0.6	0.2	0.6	0.2	0.4	0.1
Nasal tip angle	106.8	112.8	108.3	108.5	108.1	108.6	108.0	−6.0	−1.5	−1.7	−1.3	−1.8	−1.2	4.5	0.6	0.0
Nasolabial angle	116.7	125.9	117.6	121.6	120.7	120.3	120.7	−9.2	−0.9	−4.9	−4.0	−3.6	−4.0	8.3	-0.4	0.7