Table 1 Characteristics of the single-center and multicenter dataset
Dataset/characteristics | Single-center dataset: Amsterdam UMC | Multicenter dataset: five Dutch hospitals |
|---|---|---|
Total records available, n | 288,935 | 1,035,059 |
Modified descriptions, n(%) | 73,280 (25.4) | 175,210 (16.9) |
Time period | 1-1-2017–31-12-2017 | 28-4-2018–29-5-2019 |
Medical specialties, n | 37 | 62 original; 41 after clustering |
Usage for this study | Development and internal validation of algorithm | Multicenter validation of algorithm and to measure the frequency of types of contextual properties |