TABLE 4.
Comparison of renal function, serum sodium, potassium between the first and last clinic visit in all patients with at least two clinic visits (n = 97) or subgroups when specified
| First visit | Last visit | P value | |
|---|---|---|---|
| Na (mmol/L) | 140.5 (3.5) | 139.6 (4.1) | 0.01 |
| K (mmol/L) | 4.6 (0.5) | 4.7 (0.6) | 0.43 |
| K (ACEi/ARBs increased) | 4.6 (0.5) | 4.7 (0.6) | 0.71 |
| K (MRAs increased) | 4.5 (0.5) | 4.7 (0.6) | 0.25 |
| Creatinine (μmol/L) | 188.8 (64.4) | 201.5 (81.1) | 0.03 |
| Creatinine (ACEi/ARBs increased) | 185.1 (59.6) | 192.0 (68.9) | 0.17 |
| Creatinine (MRAs increased) | 163.5 (47.8) | 175.5 (36.5) | 0.97 |
| eGFR (mL/min/1.73m2) | 31.5 (10.1) | 29.8 (11.2) | 0.02 |
| eGFR (ACEi/ARBs increased) | 32.5 (10.5) | 31.6 (11.3) | 0.23 |
| eGFR (MRAs increased) | 36.3 (9.4) | 32.1 (6.9) | 0.02 |
| CKD stages | |||
| Stage 3 | 56.7% (55) | 48.5% (47) | |
| Stage 4 | 38.1% (37) | 37.1% (36) | |
| Stage 5 | 2.1% (2) | 8.2% (8) | |
| Dialysis | 3.1% (3) | 6.2% (6) | |
| Hb (g/L) | 114.8 (20.6) | 116.3 (19.7) | 0.84 |
| Anaemia (Hb <100 g/L) | 17.5% | 20.6% | 0.65 |
| Hb (anaemic patients at first visit) | 85.9 (12.8) | 100.8 (18.1) | 0.02 |
| Ferritin (μg/L) | 131.0 (220.0) | 267.5 (359.0) | <0.001 |
| Iron deficiency | 56.7% (55) | 26.8% (26) | 0.002 |
| Ferritin (iron deficiency group at first visit) | 67.0 (62.0) | 185.0 (269.0) | <0.001 |
Results are displayed as mean (SD), median (IQR interval), or percentages.