Table 3.
Biochemical variables at DI in patients with optimal DI and SDI
| Variable | Number | All | Optimal DI | SDI |
|---|---|---|---|---|
| Patients with any value, n | 1571 | 911 | 657 | |
| eGFR, mL/min/1.73 m2a | 1571 | 7.3 (3.6) | 7.7 (3.4) | 6.6 (3.8) |
| Haemoglobin, mM | 1568 | 6.4 (1.3) | 6.6 (1.1) | 6.1 (1.4) |
| Urea, mM | 1538 | 33.8 (12.3) | 30.2 (9.6) | 38.7 (13.8) |
| Potassium, mM | 1543 | 4.53 (0.9) | 4.40 (0.7) | 4.7 (1.0) |
| Bicarbonate, mM | 1182 | 21.0 (5.1) | 21.9 (4.3) | 19.6 (5.8) |
| Albumin, g/L | 1418 | 32.8 (6.7) | 34.6 (5.8) | 30.1 (7.0) |
| CRP, mg/L | 1445 | 10 (3–41) | 6 (3–16) | 28 (6–80) |
| Calcium ion, mM | 1502 | 1.14 (0.13) | 1.17 (0.11) | 1.11 (0.14) |
| Phosphate, mM | 1481 | 1.98 (0.62) | 1.85 (0.52) | 2.19 (0.68) |
| Variable excess compared with expected from eGFRb | ||||
| Urea, mM | 1532 | 0.0 (11.1) | −2.4 (9.1) | 3.5 (12.6) |
| Potassium, mM | 1536 | 0.0 (0.8) | −0.08 (0.7) | 0.11 (1.0) |
| Bicarbonate, mM | 1178 | 0.0 (4.8) | 0.6 (4.3) | −0.9 (5.4) |
| Log CRP, mg/L | 1440 | 0.0 (1.56) | −0.47 (1.36) | 0.64 (1.59) |
| Calcium ion, mM | 1495 | 0.0 (0.13) | 0.02 (0.12) | −0.03 (0.13) |
| Phosphate excess, mM | 1475 | 0.0 (0.55) | −0.08 (0.47) | 0.12 (0.64) |
Mean (standard deviation) or median (IQR). All P < 0.001.
a
For median values, see Table 2.
b
For method of calculation, see Materials and methods section.