In men, AS is increasingly found starting at age 40, and is present in nearly 100% of men over the age of 80. For women, onset of AS begins at age 50 and is present in nearly all females by age 90. Risk factor for cardiovascular disease AS is not an independent predictor of cardiovascular disease, as demonstrated by a prospective cohort study of 12,745 Danes aged 20-93 followed up for an average of 22 years. The presence of AS in men less than 50 years old<unk>  juvenilis) in combination with an underlying condition causing hyperlipidemia has been shown to significantly increase the relative risk of mortality from cardiovascular disease and coronary artery disease. As demonstrated by a study following 6,069 Americans aged 30-69 for an average of 8.4 years. The presence of AS in men less than 50 years old<unk>  juvenilis) in conjunction with xanthomas on the achilles tendon has been linked to the presence of atherosclerosis in the coronary arteries and aorta by computed tomography.
Arcus senilis
Limbus sign
Crepitus
Limbal ring
Pachyonychia congenita
Tinea imbricata
Lichen striatus
Dolichonychia