Matching analysis with your study design

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This talk will highlight some key issues in choosing statistical methods for ophthalmic research, based on personal experience of the author as a writer, reviewer and editorial board member of the EVER Journal, Acta Ophthalmologica. The items discussed, based on examples from recent literature, will include: 1. proper ways of summarising and comparing visual acuities; 2. proper ways of analysing data collected from both eyes of the patients, 3. proper ways of analysing longitudinal follow-up data, and 4. proper ways of analysing contigency table data. Correct reporting and analysis of data related to the eye is not too difficult as long as one is aware of a few basic rules. Putting them into action helps to ensure that the conclusions you put forward and those that the readers draw from your study will be proper.

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