. 2015 Mar 6;14(3):765–772. doi: 10.1007/s12663-015-0753-x

Table 3.

Photogrammetric measurements and changes from pre- to postsurgery

Parameter	Presurgery	Postsurgery	Changes	T test
Parameter	Mean ± SD	Mean ± SD	Mean ± SD	P
FCA	176.27 ± 7.54	171.36 ± 4.53	4.91 ± 6.55	<0.001^†
NLA	108.25 ± 11.48	106.38 ± 11.45	1.46 ± 8.05	0.157
MLA	150.99 ± 4.16	140.59 ± 8.32	10.45 ± 10.12	<0.001^†
ULL	18.54 ± 3.16	17.49 ± 3.32	1.19 ± 3.50	0.083
LLL	48.95 ± 4.99	39.47 ± 6.95	9.54 ± 8.73	<0.001^†
Ls–Esth	−7.41 ± 2.26	−5.14 ± 2.83	−2.06 ± 2.28	<0.001^†
Li–Esth	−2.53 ± 2.19	−3.99 ± 2.41	1.54 ± 2.21	<0.001^†
TV–Li	7.84 ± 3.99	5.46 ± 3.74	2.24 ± 3.39	<0.001^†
TV–Si	3.08 ± 4.41	0.42 ± 4.34	2.52 ± 3.80	<0.001^†
TV–Pg′	4.24 ± 3.92	1.09 ± 4.93	3.08 ± 4.69	<0.001^†
TH–Li	−36.69 ± 7.35	−38.61 ± 7.33	1.93 ± 5.71	0.046*
TH–Si	−48.01 ± 8.62	−48.74 ± 8.82	0.59 ± 8.09	0.586
TH–Pg′	−69.46 ± 6.27	−66.07 ± 6.94	−3.09 ± 6.78	0.004^†

Abbreviations as given for Figs. 1 and 2. All parameters are measured in mm except FCA, NLA, and MLA, which are measured in angular degrees (°)

SD standard deviation

* Significant at the level P < 0.05 (two-tailed); ^† highly significant at the level P < 0.01 (two-tailed)