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In the recent article published in British Journal of Ophthalmology, Chen et al 1 concluded that central serous chorioretinopathy (CSCR) was a risk factor for coronary heart disease (CHD). The abstract mentioned that 835 subjects were in the CSCR group and 4175 subjects were in the non-CSCR group. However, the materials and methods figured 815 in the CSCR group and 4075 in the non-CSCR …
Contributors RRM and SPS contributed to the conception of the letter and final approval of the version to be published. UCB contributed in drafting and revising the letter critically for important intellectual content. No other people were involved in this work.
Competing interests None.
Provenance and peer review Not commissioned; internally peer reviewed.