Demographic and clinical characteristics according to early- and late- age-related macular degeneration (AMD) status, and participant status, as reported by the Korean National Health and Nutrition Examination Survey 2008–2012.

Data are expressed as weighted means or weighted frequency (%) with standard errors.
*P < 0.05
Pa values compared patients with any AMD and without AMD.
Pb value compared patients with and without fundus photograph available.
Demographic and clinical characteristics according to early- and late- age-related macular degeneration (AMD) status, and participant status, as reported by the Korean National Health and Nutrition Examination Survey 2008–2012.