Influence of Kidney Performance and Magnesium on Formation of (OH)2-vitamin D3

Influence of Kidney Performance and Magnesium on the Biomarkers of Vitamin D

Retrospective database analysis. The target values are the serum values of 25(OH)D, of 1,25(OH)2D, of magnesium and creatinine as well as age and sex of the patients. The laboratory values of the years 2017 and 2018 are included. There are no additional measurements on patients.

The laboratory values of the years 2017 and 2018 are included. All laboratory results to be evaluated originate from Medics Labor in Bern. We expect about 50'000 data sets. It is impossible for the study team to draw conclusions about the patients or the senders.

Inclusion Criteria:

• all data sets available

Exclusion Criteria:

• a declaration from the patient that his laboratory values may not be included in an evaluation.