Table 1 Characteristics on admission, during the intensive care unit (ICU) stay, at ICU discharge, and at hospital discharge in patients with normal versus high red cell distribution width
Variable | Normal RDW (≤ 14.5%) n = 1525 | High RDW (> 14.5%) n = 1841 | p |
|---|---|---|---|
At ICU admission | |||
Age | 61.8 ± 17.5 | 67.7 ± 15.1 | < 0.001 |
Female sex | 502 (33%) | 742 (40%) | < 0.001 |
Cancer | 86 (5.6%) | 298 (16.2%) | < 0.001 |
Hepatic cirrhosis | 14 (0.9%) | 106 (5.8%) | < 0.001 |
SAPS3 mortality risk, % | 11 [5.0–21.9] | 25 [12.6–44.6] | < 0.001 |
During ICU stay | |||
Blood transfusion | 45 (2.9%) | 347 (18.8%) | < 0.001 |
Delirium | 68 (4.5%) | 144 (7.8%) | < 0.001 |
Vasoactive drugs | 209 (14%) | 608 (33%) | < 0.001 |
Mechanical ventilation | 239 (16%) | 585 (32%) | < 0.001 |
Acute renal failure | 170 (11%) | 533 (29%) | < 0.001 |
At ICU discharge | |||
ICU length of stay, days | 2.3 [1.6–4.0] | 3.3 [1.9–5.9] | < 0.001 |
Sabadell score: | < 0.001 | ||
0 | 1272 (79.8%) | 1084 (57.4%) | |
1 | 176 (11.0%) | 465 (24.6%) | |
2 | 62 (3.9%) | 216 (11.4%) | |
3 | 15 (0.9%) | 76 (4.0%) | |
Red cell distribution width, % | 13.7 ± 0.54 | 16.9 ± 2.56 | < 0.001 |
At hospital discharge: | |||
Ward length of stay, d | 6 [4–10.5] | 9 [5–16] | < 0.001 |
Ward mortality | 21 (1.3%) | 155 (8.2%) | < 0.001 |