Table 1.

Diagnostic criteria used for autosomal dominant polycystic kidney disease diagnosis

Family History	Age, yr	Criteria
Positive family history (The unified imaging diagnosis criteria published in the Canadian Journal of Kidney Health and Disease.)	15–40	At least three unilateral or bilateral kidney cysts
	40–59	At least two cysts in each kidney
	>60	At least four cysts in each kidney
Negative family history	Any age	Innumerable cysts in both kidneys (at least 10 cysts in each of the two kidneys)
		Each kidney greater than 13 cm in length