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. Author manuscript; available in PMC: 2016 Oct 1.
Published in final edited form as: Urology. 2015 Jul 20;86(4):690–696. doi: 10.1016/j.urology.2015.07.012

Figure 1. Effect of age on 24-hour urinary excretions of calcium, magnesium, oxalate and uric acid after accounting for sibships.

Figure 1

Figure 1

Figure 1

Figure 1

Panel A: Calcium excretion fell linearly with age (Calcium (mg/day) = 401.65 −3.7482 *Age (yrs)). Panel B: Magnesium excretion fell linearly with age (Magnesium (mg/day) = 169.67 – 0.9370*Age(yrs)). Panel C: Oxalate excretion did not vary with age. Panel D: Uric acid excretion fell linearly with age (Uric acid (mg/day) = 601.67 – 2.3058*Age (yrs)).