Table 1.
Cohort characteristics
| CRP | Ferritin | CRP and Ferritin | ||
|---|---|---|---|---|
| # Total Values | 14,927 | 653 | -- | |
| Unique Hospitalizations | 5,313 | 317 | 172 | |
| Unique Patients, N | 4,142 | 297 | 172 | |
| Characteristic, median (IQR) or n (%) | ||||
| Age (months) | 80.4(21.4, 156.2) | 125.4 (38.6,189.3) | 110.3 (42.2,184.1) | |
| Female | 1901 (45.9) | 156 (52.5) | 84 (48.8) | |
| CRP | Ferritin | |||
| Presenting Value* | 1.19(0.32,5.01) | 47.4(17.2,146.4) | 1.29 (0.32,6.72) | 85.9 (18.4,209.3) |
| Maximum Value* | 1.72 (0.32,6.45) | 49 (17.2,153.3) | 2.1 (0.32,13.5) | 85.9(18.4,243.1) |
| Positive Culture | 836 (20.2) | 68 (22.9) | 49 (28.5) | |
| Blood | 180 (4.3) | 29 (9.8) | 15 (8.7) | |
| Urine | 269 (6.5) | 29 (9.8) | 16 (9.3) | |
| Respiratory | 503 (12.1) | 34 (11.5) | 33 (19.2) | |
| Cerebrospinal Fluid | 20 (4.8) | 2 (0.7) | 2(1.2) | |
| Other (Pleural or Peritoneal) | 23 (5.6) | 9 (3.0) | 7(4.1) | |
| Hospital Length of Stay (days) | 3.0 (2.0, 7.0) | 5.6 (3.6,12.1) | 4.9 (2.5,13.4) | |
| PICU Admission | 1522 (36.7) | 81 (27.2) | 61 (35.5) | |
| PICU Length of Stay (days) | 2.4(1.2,5.9) | 7.3(1.5,19.2) | 5.9(1.5,15.1) | |
| Hospital Mortality | 46 (1.1) | 12 (4.0) | 8 (4.7) | |
| 90-day Mortality | 66 (1.6) | 15 (5.0) | 10 (5.8) | |
| 1-Year Mortality | 95 (2.3) | 16 (5.4) | 11 (6.4) | |
*
Ferritin (ng/mL), CRP (mg/dL)