project | Regression equation | Pearson correlation coefficient r | P |
serum potassium (mmol/L) | Y = 0.884X + 0.772 | 0.860 | 0.000* |
Blood sodium (mmol/L) | Y = 0.930X + 11.62 | 0.886 | 0.000* |
blood sugar (mmol/L) | Y = 0.972X − 0.054 | 0.924 | 0.000* |
hemoglobin (g/L) | Y = 0.840X + 12.638 | 0.841 | 0.000* |
red blood cell volume (%) | Y = 0.943X + 2.579 | 0.856 | 0.000* |