Table 1 Cohort demographics of datasets from the three centers
From: Machine learning model for early prediction of acute kidney injury (AKI) in pediatric critical care
Hospital 1 | Hospital 2 | Hospital 3 | |
|---|---|---|---|
Cohort size | 7329 | 1220 | 8314 |
Age (years) | 4 [0.7, 12.1] | 2 [0.6, 6.0] | 7 [3.8, 14.7] |
Female | 46% | 46% | 48% |
Length of stay (days) | 3 [1, 6] | 4 [2, 8] | 5 [3, 13] |
Mortality | 3.5% | 3.5% | 6.8% |
CTICU | 28.6% | 0%* | 12.2% |
Any stage AKI | 10.9% | 19.8% | 10.6% |
AKI Stage 2 or 3 | 3.5% | 5.7% | 5.3% |
RRT | 0.8% | 0.6% | 1.7% |