الفهرس 
Chapter (1): chronic kidney diseases and bone mineral disorders
Chronic kidney disease–mineral bone disorder (CKD– MBD) beyond boneOnly 14 pages are availabe for public view
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Abstract
SUMMARY AND CONCLUSION This is a cross-sectional study that was conducted at Tanta University Hospitals and Mahalla General Hospital aiming to assess 25OH vitamin D level in chronic kidney disease cases with stages 3-5 and the predictors of vitamin D deficiency in those patients groups. We included a total of 75 cases with chronic kidney disease in the current study, and they were divided into three equal groups; stage III (25 cases), stage IV (25 cases), and stage V (25 cases). All cases were subjected to complete history taking, thorough physical examination, and routine laboratory investigations. In addition, vitamin D level was assessed in all cases. No significant difference was detected between the three groups regarding sex and weight (p > 0.05). GFR was significantly different between the three groups (p < 0.001). It had the least value in stage V cases, while stage III cases had the highest value. There was no statistically significant difference between the patients within the three study groups as regards the associated risk factors including; diabetes, hypertension, obstructive uropathy, analgesic use, UTI, polycystic kidney disease, ischemic heart disease, and liver cirrhosis. There was statistically significant difference within study groups regarding hemoglobin levels (p = 0.023). It had the highest value in stage III cases, while lower values were detected in the other two groups