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Nasal dimensions in normal subjects: Conventional anthropometry versus computerized anthropometry
Author(s) -
Sforza Chiarella,
Dellavia Claudia,
Colombo Anna,
Serrao Graziano,
Ferrario Virgilio F.
Publication year - 2004
Publication title -
american journal of medical genetics part a
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.064
H-Index - 112
eISSN - 1552-4833
pISSN - 1552-4825
DOI - 10.1002/ajmg.a.30275
Subject(s) - anthropometry , medicine , nose , upper lip , orthodontics , statistical significance , mathematics , dentistry , anatomy , statistics
The aim of the current investigation was to compare computerized measurements of nasal linear distances (nasal tip protrusion, height of the cutaneous upper lip, length of the nasal bridge) collected from 705 healthy individuals from Northern Italy (age range 6–60 years) using an electromagnetic digitizer with conventional anthropometric measurements: one set obtained on individuals of central European origin (Zankl et al. [2002: Am J Med Genet 111:388‐391]), and one set collected from North American Caucasians (Farkas et al. [1994: Anthropometry of the Head and Face 241–335]). On average, the present lengths of the nasal bridge were always significantly smaller than the European data ( P  < 0.01, Student's t for independent samples). Nevertheless, only in one sex and age group of 18 the discrepancy between the two mean values was larger than 10 mm. In other 10 groups, the mean values differed less than 5 mm. More limited differences (up to 6.5 mm) were found in comparison to the American data. For nasal tip protrusion, digital and conventional data were significantly different (up to 4 mm) in 18 instances of 30. On average, the present heights of the cutaneous upper lip were always smaller than the European data (up to 2.9 mm). The differences were statistically significant in 14 groups of 18. Minor discrepancies (less than 1 mm in nine groups of 12) were found in comparison to the American data. Statistical significance was reached only in seven comparisons. In conclusion, the conventional anthropometric and the digital data compared in the current study, though not superimposable, seemed sufficiently interchangeable, at least from a clinical point of view. © 2004 Wiley‐Liss, Inc.

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