Volume 58, Issue 5, Pages 2102-2110 (November 2000) Etiology of nephrocalcinosis in preterm neonates: Association of nutritional intake and urinary parameters Eveline A. Schell-Feith, Joana E. Kist-van Holthe, Nikk Conneman, Paul H.T. van Zwieten, Herma C. Holscher, Harmine M. Zonderland, Ronald Brand, Bert J. van der Heijden Kidney International Volume 58, Issue 5, Pages 2102-2110 (November 2000) DOI: 10.1111/j.1523-1755.2000.00383.x Copyright © 2000 International Society of Nephrology Terms and Conditions
Figure 1 The mean intake of calcium in the first four weeks in the nephrocalcinosis (NC) group (NC+; solid line; mean ± 1.96 × SE) is significantly higher than in the non-NC group (NC–; dashed line; mean ± 1.96 × SE) four weeks after birth. Repeated measurement for analysis of variance was P < 0.05. SE is standard error of the mean. Kidney International 2000 58, 2102-2110DOI: (10.1111/j.1523-1755.2000.00383.x) Copyright © 2000 International Society of Nephrology Terms and Conditions
Figure 2 The mean intake of phosphorus in the first four weeks in the NC group (NC+; solid line; mean ± 1.96 × SE) is significantly higher than in the non-NC group (NC- dashed line; mean ± 1.96 × SE) four weeks after birth. Repeated measurement for analysis of variance was P < 0.05. SE is standard error of the mean. Kidney International 2000 58, 2102-2110DOI: (10.1111/j.1523-1755.2000.00383.x) Copyright © 2000 International Society of Nephrology Terms and Conditions
Figure 3 The urinary calcium/creatinine ratio of 122 preterm neonates at four weeks compared with reference values19. Dashed lines are 95% values and dotted line denotes the mean of healthy term infants aged five days to seven months (mean = 2.2; SD = 1.55)19. Kidney International 2000 58, 2102-2110DOI: (10.1111/j.1523-1755.2000.00383.x) Copyright © 2000 International Society of Nephrology Terms and Conditions
Figure 4 The urinary oxalate/creatinine ratio of 102 preterm neonates at four weeks compared with reference values20. Dashed lines are 95% values and dotted line denotes the mean of healthy term infants aged two to eight weeks (mean = 0.43; SD = 0.23)20. Kidney International 2000 58, 2102-2110DOI: (10.1111/j.1523-1755.2000.00383.x) Copyright © 2000 International Society of Nephrology Terms and Conditions