Universität zu Köln

Guo, Yongwei ORCID: 0000-0001-9195-0770, Hou, Xiaoyi, Rokohl, Alexander C., Jia, Renbing and Heindl, Ludwig M. (2020). Reliability of Periocular Anthropometry: A Comparison of Direct, 2-Dimensional, and 3-Dimensional Techniques. Dermatol. Surg., 46 (9). S. E23 - 9. PHILADELPHIA: LIPPINCOTT WILLIAMS & WILKINS. ISSN 1524-4725

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Abstract

BACKGROUNDThree-dimensional (3D) imaging has become increasingly popular in aesthetic surgery. However, few studies have emphasized its application in the periocular region.OBJECTIVETo provide evidence supporting the reliability of generalizing periocular measurements obtained using caliper-derived direct anthropometry and 2-dimensional (2D) photogrammetry to 3D stereophotogrammetry.MATERIALS AND METHODSPeriocular surfaces were captured using a stereophotogrammetry system for 46 normal Caucasian individuals. Twenty-two periocular variables were directly, 2-dimensionally, and 3-dimensionally measured. Reliability of these measurements was evaluated and compared with each other.RESULTSThe results revealed that, for direct (intra-rater reliability only), 2D, and 3D anthropometry, overall intra-rater and inter-rater intraclass correlation coefficient estimates were 0.88, 0.99 and 0.97, and 0.98 and 0.92, respectively; mean absolute differences were 0.84 mm, 0.26 and 0.36 units, and 0.35 and 0.67 units, respectively; technical error of measurement (TEM) estimates were 0.85 mm, 0.25 and 0.36 units, and 0.32 and 0.65 units, respectively; relative error measurement estimates were 6.46%, 1.69% and 2.74%, and 1.67% and 5.11%, respectively; and relative TEM estimates were 6.25%, 1.62% and 2.78%, and 2.12% and 5.12%, respectively.CONCLUSIONStereophotogrammetry and the authors' landmark location protocol yield very good reliability for a series of 2D and 3D measurements.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Guo, Yongwei UNSPECIFIED orcid.org/0000-0001-9195-0770 UNSPECIFIED Hou, Xiaoyi UNSPECIFIED UNSPECIFIED UNSPECIFIED Rokohl, Alexander C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Jia, Renbing UNSPECIFIED UNSPECIFIED UNSPECIFIED Heindl, Ludwig M. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-321179
DOI:	10.1097/DSS.0000000000002243
Journal or Publication Title:	Dermatol. Surg.
Volume:	46
Number:	9
Page Range:	S. E23 - 9
Date:	2020
Publisher:	LIPPINCOTT WILLIAMS & WILKINS
Place of Publication:	PHILADELPHIA
ISSN:	1524-4725
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language ACCURACY; PRECISION; PHOTOGRAMMETRY; SYSTEM; VALIDITY; POSITION; GENEX; ERROR Multiple languages Dermatology; Surgery Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/32117