Table 2.
Time intervals, eGFR levels and eGFR progression rates at different time points prior to first dialysis in patients with optimal DI and SDI
| Variable | Patients included (n) | All patients | Optimal DI | SDI |
|---|---|---|---|---|
| Time interval, months | ||||
| Referral dialysis | 1320 | 29.0 (5.6–59.7) | 40.4 (18.5–67.4) | 7.5 (0.2–45.8) |
| Information dialysis | 1204 | 4.0 (0.5–10.1) | 6.7 (3.0–14.0) | 0.3 (0.0–3.8) |
| Access prescription dialysis | 1124 | 1.1 (0–2.9) | 2.3 (1.2–5.0) | 0.0 (0.0–0.3) |
| Access placement dialysis | 939 | 0.5 (0–1.6) | 1.2 (0.7–3.4) | 0.0 (0.0–0.0) |
| eGFR, mL/min/1.73 m2 | ||||
| Referral | 1414 | 20.7 (11.5–32.4) | 23.0 (15.0–34.0) | 15.9 (7.0–30.4) |
| 6 months prior | 1202 | 12.0 (9.6–16.5) | 11.1 (9.2–13.6) | 16.7 (11.7–26.2) |
| 3 months prior | 1225 | 10.0 (8.0–13.5) | 9.3 (7.6–11.4) | 13.5 (9.5–20.6) |
| Dialysis information | 1448 | 10.1 (7.4–12.8) | 10.9 (8.8–13.4) | 8.1 (5.4–11.5) |
| Access prescription | 1537 | 7.9 (6.0–10.0) | 8.6 (7.1–10.5) | 6.6 (4.7–8.7) |
| Access placement | 1499 | 7.5 (5.5–9.7) | 8.3 (6.7–10.4) | 6.2 (4.4–8.1) |
| First dialysis | 1571 | 6.6 (4.9–8.4) | 7.0 (5.5–8.9) | 6.0 (4.3–7.9) |
| ΔeGFR, mL/min/1.73 m2/year | ||||
| Referral dialysis | 1320 | 5.3 (2.8–10.7) | 4.8 (2.8–7.9) | 7.6 (3.1–21.2) |
| 6 months prior dialysis | 1194 | 8.5 (4.1–16.5) | 6.5 (3.2–10.9) | 16.7 (9.1–35.0) |
| 6–3 months prior | 1147 | 6.9 (1.8–14.6) | 6.1 (1.6–11.8) | 8.9 (2.7–22.3) |
| 3 months prior dialysis | 1219 | 9.6 (3.8–21.0) | 7.0 (2.3–13.4) | 21.9 (10.8–54.3) |
| Information dialysis | 1204 | 5.6 (2.0–12.1) | 4.8 (1.9–9.2) | 9.5 (2.8–25.7) |
| Access prescription dialysis | 1124 | 4.3 (−0.1 to 12.3) | 3.8 (−0.3 to 9.2) | 10.4 (0.0–37.5) |
| Access placement dialysis | 939 | 3.9 (−0.6 to 12.3) | 3.9 (−0.5 to 11.1) | 0.9 (−3.6 to 44.9) |
Median values (IQR). All P < 0.001. Δ, rate of change of eGFR. Positive values mean falling eGFR.