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December 5, 2012

Fracture Risk After Cataract Surgery

Author Affiliations

Letters Section Editor: Jody W. Zylke, MD, Senior Editor.

Author Affiliation: Poostchi Ophthalmology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran (norozzadeh@gmail.com).

JAMA. 2012;308(21):2185. doi:10.1001/jama.2012.13958

To the Editor: In patients aged 65 years or older with cataracts, Dr Tseng and colleagues1 demonstrated that those who had cataract surgery had lower odds of hip fracture within 1 year after surgery compared with those who had not undergone cataract surgery. I wish to comment on the potential limitations of the study.

First, the authors did not adequately discuss the results of the 1-year look back analysis for the cataract surgery group. Table 3 of the article showed that the incidence of hip fracture in the cataract surgery group was greater during the year after surgery (1.30%; 95% CI, 1.26%-1.33%) compared with the year prior to surgery (1.04%; 95% CI, 1.01%-1.07%). Reported 95% confidence intervals suggest that the difference was statistically significant.

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