Introduction Approximately half of adult stone formers submit specimens that are either
under or over collections as determined by 24-h creatinine/kg. Previously identified …

Purpose: We determined whether men and women differ in urine stone risk factors during
the 4 seasons of the year. Materials and Methods: Measurements from 28,498, 24-hour …

Hypercalciuria is of continuing interest as on of the risk factors for stone disease in children,
but the definition, incidence and pathogenesis are controversial. Therefore reference values …

Purpose: The prevalence of kidney stones has increased globally in recent decades.
However, studies investigating the association between temporal changes in the risk of …

The purpose of the study was to evaluate urinary citrate/creatinine (U Ci/U Cr) and urinary
calcium/citrate (U Ca/U Ci) ratios for distinguishing stone formers (SF) from non-stone …

Objectives: Urolithiasis in children is recognized with an increasing frequency, while exact
etiological factors remain to be determined. The aim of this study is to compare the metabolic …

PURPOSE: There is much debate about whether 1 or 2, 24-hour urinalyses are adequate for
metabolic evaluation of stone formers. We determined whether repeat 24-hour urine …

Introduction To determine the association of the basic metabolic panel with stone type.
Methods The present study was a retrospective review of 492 stone formers with both stone …

Abstract Rationale & Objective Most previous studies of the relationship between urinary
factors and kidney stone risk have either assumed a linear effect of urinary parameters on …

Calcium nephrolithiasis in children is increasing in prevalence and tends to be recurrent.
Although children have a lower incidence of nephrolithiasis than adults, its etiology in …