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Journal of Orthodontics Volume 41, 2014 - Issue 2
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Open Access

An Index of Orthognathic Functional Treatment Need (IOFTN)

Anthony J Ireland Child Dental HealthSchool of Oral and Dental Sciences, University of Bristol, Bristol, UKCorrespondence[email protected]
[email protected]
,
Susan J Cunningham Orthodontic DepartmentUCL Eastman Dental Institute, London, UK
,
Aviva Petrie UCL Eastman Dental InstituteUniversity of London, London, UK
,
Martyn T Cobourne Orthodontic DepartmentKings College Dental Institute, Guys Campus, London, UK
,
Priti Acharya Orthodontic DepartmentEastman Dental Hospital UCLH Foundation Trust, London, UK
,
Jonathan R Sandy Child Dental HealthSchool of Oral and Dental Sciences, University of Bristol, Bristol, UK
&
Nigel P Hunt Orthodontic DepartmentUCL Eastman Dental Institute, London, UK
 show all
Pages 77-83 | Received 02 Apr 2014, Accepted 27 Apr 2014, Published online: 16 Dec 2014

Figures & data

Figure 1. The Index of Orthognathic Functional Treatment Need (IOFTN)

Figure 1. The Index of Orthognathic Functional Treatment Need (IOFTN)

Figure 2. Histogram illustrating the percentage agreement of each of the 21 assessors with the expert panel scores for all of the 23 categories within the IOFTN

Figure 2. Histogram illustrating the percentage agreement of each of the 21 assessors with the expert panel scores for all of the 23 categories within the IOFTN

Table 1. Numbers of models in each of the categories of the IOFTN

Table 2. Kappa scores illustrating strength of agreement between the major category scores of each of the 21 assessors with the expert panel major category scores (<0·2 = poor; 0·21–0·40 = fair; 0·41–0·60 = moderate; 0·61–0·80 = good; 0·81–1·00 = very good agreement)

Table 3. Kappa scores illustrating strength of agreement for the subcategories within each major category score for each of the 21 assessors with the expert panel scores (<0·2 = poor; 0·21–0·40 = fair; 0·41–0·60 = moderate; 0·61–0·80 = good; 0·81–1·00 = very good agreement)

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