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Comparison of outcomes within four ferritin levels in MIMIC III.
| Mortality | Ferritin (ng/mL) | p-value | |||
|---|---|---|---|---|---|
| <70 N = 208 | ≥70 and <500 N = 1007 | ≥500 and <1000 N = 332 | ≥1000 N = 192 | ||
| In-hospital mortality N (%) | 23 (11.1) | 124 (12.3) | 58 (17.5) | 43 (22.4) | p <0.001 |
| 28-day mortality N (%) | 30 (16.8) | 142 (19.1) | 50 (22.0) | 45 (33.9) | p = 0.012 |
| 90-day mortality N (%) | 45 (22.6) | 257 (26.5) | 93 (30.4) | 74 (39.6) | p = 0.001 |
| ICU-LOS (days) | 3.07 (4.64) | 2.62 (4.04) | 4.34 (7.59) | 4.98 (9.28) | p <0.001 |
