highly significantp = 0.002
The pH value of fasting-morning urine correlated directly and significantly with potassium excretion ( R = 0.33, p = 0.02) but not with 24 h citrate levels ( R = 0.09; p = 0.58) while a highly significant correlation between potassium and citrate excretion was found ( R = 0.47, p = 0.002).