Table 3.
Relationship between ΔeGFR1 and each variable
| Predictive variable | r value | P value |
|---|---|---|
| Age (years old) | 0.161 | NS |
| BMI | 0.07 | NS |
| HbA1c (%) | 0.026 | NS |
| Systolic blood pressure (mmHg) | −0.201 | NS |
| Diastolic blood pressure (mmHg) | −0.140 | NS |
| ΔSystolic blood pressure 1 (mmHg) | 0.061 | NS |
| ΔDiastolic blood pressure 1 (mmHg) | −0.074 | NS |
| eGFR (ml/min/1.73 m2) | −0.346 | <0.01 |
| Serum creatinine concentration (mg/dl) | 0.139 | NS |
| Serum uric acid concentration (mg/dl) | 0.154 | NS |
| ΔSerum uric acid concentration 1 (mg/dl) | −0.307 | <0.05 |
| Serum Na concentration (mEq/l) | 0.145 | NS |
| Serum K concentration (mEq/l) | −0.158 | NS |
| ΔSerum Na concentration 1 (mEq/l) | −0.046 | NS |
| ΔSerum K concentration 1 (mEq/l) | −0.079 | NS |
Abbreviations are shown in the text. Pearson’s correlation coefficient. Each value is that at 1 year before switching. Δvalue 1 = (a value at switching) − (a value at 1 year before switching)
NS Not significant