Table 3.
Overview of patients in the Dutch Data Warehouse
| Patient characteristics | Dutch Data Warehouse cohort | n |
|---|---|---|
| Age, years (median, IQR) | 64.0 (56.0, 72.0) | 3459 |
| Body Mass Index, kg/m2 (median, IQR) | 27.3 (24.3, 30.7) | 849 |
| Gender male, (n, %) | 2498 (72.3) | 3457 |
| Transfersa, (n, %) | 367 (10.6) | 3463 |
| Referralsa, (n, %) | 784 (26.5) | 2963 |
| ICU mortality, (n, %) | 707 (24.4) | 2900 |
| ICU or hospital mortalityb, (n, %) | 853 (29.4) | 2900 |
| Still admittedc, (n, %) | 196 (5.7) | 3463 |
| ICU length of stay, days (median, IQR) | 7.1 (2.2, 16.0) | 3306 |
| Intubated, (n, %) | 2644 (75.6) | 3496 |
| Length of intubation, days (median, IQR) | 7.7 (2.9, 14.3) | 2644 |
| CRRT, (n, %) | 427 (12.2) | 3496 |
Patients admitted in the participating hospitals between March 2020 and March 2021
Overview of characteristics of patients currently included in the Dutch Data Warehouse
IQR interquartile range, CRRT continuous renal replacement therapy
aPatients are transferred from the ICU to other hospitals. Referrals are transfers received from other hospitals
bHospital mortality was not available for 5 hospitals because of different ICU and hospital EHRs
cPatients still admitted at the time of data extraction