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Patient characteristics in the training and testing sets.
| Size (number of images) | Age* (years) | Female Sex (number of images) | Anteroposterior frequency | COVID-19 positive (number of images) | |
|---|---|---|---|---|---|
| Training Set | 8239 | 67 ± 18 | 4090 | 28% | 1650 |
| Testing Set | 3289 | 64 ± 18 | 1664 | 28% | 249 |
*Reported as average ± standard deviation.
