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Ophthalmic Epidemiology Volume 22, 2015 - Issue 3: Trachoma
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Original Articles

Inter-Rater Agreement between Trachoma Graders: Comparison of Grades Given in Field Conditions versus Grades from Photographic Review

Sintayehu GebresillasieThe Carter Center Ethiopia, Addis Ababa, Ethiopia,
,
Zerihun TadesseThe Carter Center Ethiopia, Addis Ababa, Ethiopia,
,
Ayalew ShiferawThe Carter Center Ethiopia, Addis Ababa, Ethiopia,
,
Sun N. YuFrancis I. Proctor Foundation, University of California, San Francisco, San Francisco, CA, USA,
,
Nicole E. StollerFrancis I. Proctor Foundation, University of California, San Francisco, San Francisco, CA, USA,
,
Zhaoxia ZhouFrancis I. Proctor Foundation, University of California, San Francisco, San Francisco, CA, USA,
,
Paul M. EmersonThe Carter Center, Atlanta, GA, USA, and
,
Bruce D. GaynorFrancis I. Proctor Foundation, University of California, San Francisco, San Francisco, CA, USA, ;Departments of Ophthalmology,
,
Thomas M. LietmanFrancis I. Proctor Foundation, University of California, San Francisco, San Francisco, CA, USA, ;Departments of Ophthalmology, ;Epidemiology & Biostatistics, and ;Institute for Global Health, University of California, San Francisco, San Francisco, CA, USA
&
Jeremy D. KeenanFrancis I. Proctor Foundation, University of California, San Francisco, San Francisco, CA, USA, ;Departments of Ophthalmology, Correspondence[email protected]
 show all
Pages 162-169 | Received 04 Dec 2013, Accepted 16 Sep 2014, Published online: 09 Jul 2015

REFERENCES

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  • West SK, Taylor HR. Reliability of photographs for grading trachoma in field studies. Br J Ophthalmol 1990;74:12–13
  • Roper KG, Taylor HR. Comparison of clinical and photographic assessment of trachoma. Br J Ophthalmol 2009;93:811–814
  • Kottner J, Audige L, Brorson S, et al. Guidelines for Reporting Reliability and Agreement Studies (GRRAS) were proposed. J Clin Epidemiol 2011;64:96–106
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  • Randolph JJ. Free-marginal multirater kappa (multirater κfree): an alternative to Fleiss' fixed- marginal multirater kappa. Joensuu Learning and Instruction Symposium; 2005; Joensuu, Finland
  • Landis JR, Koch GG. The measurement of observer agreement for categorical data. Biometrics 1977;33:159–174
  • Taylor HR, West SK, Katala S, et al. Trachoma: evaluation of a new grading scheme in the United Republic of Tanzania. Bull World Health Organ 1987;65:485–488
  • Vach W. The dependence of Cohen's kappa on the prevalence does not matter. J Clin Epidemiol 2005;58:655–661

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