09 October 2023 : Clinical Research
A New Predictive Equation for Estimating Serum Ionized Calcium Levels in Patients on Chronic Hemodialysis
Wei-Li Hung1CE, Chi-Feng Huang23DE, Ming-Hsien Tsai45BC, Hung-Hsiang Liou6AC, Pei-Yang Liu7F, Yu-Wei Fang45AEG*DOI: 10.12659/MSM.941321
Med Sci Monit 2023; 29:e941321
Table 2 Characteristics of the study population.
| Characteristics | Values (N=469) |
|---|---|
| Age (years) | 66.5±12.8 |
| Males [N (%)] | 253 (53.9) |
| Kt/V | 1.39±0.20 |
| Blood nitrogen (mg/dL) | 64.0±18.3 |
| Creatinine (mg/dL) | 9.4±2.5 |
| Sodium (mEq/L) | 139±3 |
| Potassium (mEq/L) | 4.5±0.7 |
| Calcium (mg/dL) | 9.4±1.0 |
| Ionized calcium (mg/dL) | 4.5±0.5 |
| Phosphate (mg/dL) | 5.1±1.3 |
| Albumin level (g/dL) | 3.9±0.4 |
| Triglyceride (mg/dL) | 141 (75, 168) |
| Cholesterol level (mg/dL) | 160±41 |
| Hemoglobin (g/dL) | 10.2±1.4 |
| Alk-P (U/L) | 74 (50, 85) |
| ALT (U/L) | 12.3±7.8 |
| AST (U/L) | 16.2±8.2 |
| Iron (g/dL) | 68.3±27.1 |
| Ferritin (g/dL) | 503 (306, 654) |
| Transferrin saturation (%) | 29.1±11.7 |
| Kt/V – urea kinetics; ALK-P – alkaline phosphatase; ALT – alanine transaminase; AST – aspartate aminotransferase. | |