Do we have any comprehensive data set available on COVID-19 patients with risk factors and/or underlying condition, disease? Though I checked for some on the GitHub and Kaggle but the available data is scattered and unorganized.
Data collection depends on the initial theoretical and methodological points of view. Strictly speaking, now data is collected only for a certain understanding of infectious diseases. The guilty ones are searched among animals (bats, pangolins, etc.). The indicated preprint is the beginning of a series of publications with a systematic presentation of a new theoretical position. Accordingly, a new standard for data collection. The connection of your question and the specified post in this.
As for Ukraine, as well as all post-Soviet countries, it is not realistic to collect statistics. On the one hand, because of the habit of withholding information, and on the other hand, low testing coverage of the population.
In addition to all aforementioned references, we've recently considered hyposalivation as a potential risk for SARS-CoV-2 infection. It may expose patients at high risk of getting COVID-19.
Article Hyposalivation as a potential risk for SARS‐CoV‐2 infection:...