| Before propensity score matching | After propensity score matching | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
 | All patients | Survivors | All patients | Survivors | ||||||||
Characteristic | Early CRRT (N = 303) | Late CRRT (N = 304) | P value | Early CRRT (N = 75) | Late CRRT (N = 41) | P value | Early CRRT (N = 241) | Late CRRT (N = 241) | P value | Early CRRT (N = 59) | Late CRRT (N = 40) | P value |
Duration of CRRT (days) | 3.0 (0.9–6.1) | 2.4 (1.0–5.2) | 0.10 | 3.2 (2.1–6.3) | 3.8 (2.4–6.9) | 0.16 | 3.0 (0.9–6.6) | 2.4 (0.8–5.1) | 0.12 | 3.5 (2.5–6.8) | 3.9 (2.4–6.9) | 0.47 |
Duration of total RRT (days) | 3.6 (1.1–10.7) | 3.1 (1.1–9.6) | 0.02 | 5.9 (2.3–12.9) | 6.7 (3.7–27.4) | 0.08 | 3.4 (1.0–10.2) | 2.9 (1.0–9.4) | 0.16 | 5.9 (3.0–11.3) | 6.7 (4.2–27.4) | 0.08 |
Duration of ICU stay from CRRT initiation (days) | 6.2 (1.8–11.4) | 4.1 (1.4–9.3) | <0.01 | 9.0 (4.8–19.8) | 9.0 (5.0–19.9) | 0.72 | 6.2 (1.7–11.0) | 3.9 (1.3–9.1) | 0.02 | 9.3 (4.9–18.5) | 9.4 (5.5–19.9) | 0.99 |
Total duration of hospitalization from CRRT initiation (days) | 16.5 (3.8–37.5) | 6.1 (1.4–29.6) | <0.01 | 25.7 (16.5–38.6) | 38.8 (27.2–79.3) | <0.01 | 15.5 (3.4–36.6) | 6.1 (1.3–36.7) | 0.08 | 26.7 (16.1–38.2) | 39.1 (27.7–79.3) | 0.04 |