Combined association of age and sex with stone type

(A) Males and (B) females are depicted separately.
Apatite and brushite are different types of calcium phosphate.

Republished with permission of the American Society of Nephrology, from: Lieske JC, Rule AD, Krambeck AE, et al. Stone composition as a function of age and sex. Clin J Am Soc Nephrol 2014; 9:2141; permission conveyed through Copyright Clearance Center, Inc. Copyright © 2014.

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