Table 2 Training, validation, and test set distributions.
Oxford University Hospitals (pre-pandemic and wave 1 cases, to 30 June 2020) | Oxford University Hospitals | Portsmouth University Hospital NHS Trust | University Hospitals Birmingham NHS Foundation Trust | Bedfordshire Hospitals NHS Foundation Trust | |
|---|---|---|---|---|---|
Training Set | 91,970 (negative) 556 (positive) | NA | 21,555 (negative) 1182 (positive) | 5920 (negative) 255 (positive) | 620 (negative) 85 (positive) |
Validation Set | 22,987 (negative) 145 (positive) | NA | 7140 (negative) 439 (positive) | 1966 (negative) 93 (positive) | 206 (negative) 30 (positive) |
Test Set | NA | 20,845 (negative) 2012 (positive) | 7196 (negative) 384 (positive) | 1968 (negative) 91 (positive) | 207 (negative) 29 (positive) |