HIT score for 213,215 medical informatics publications during 2010-2020

The detailed definition of HIT is as follows：1)      H: The entire “Diseases [C]” branch as well as two subbranches, i.e., “Health [N01.400]” and “Public Health [N06.850]” are regarded as a representation of health demand for HIT innovations. “Health [N01.400]” and “Public Health [N06.850]” are under the branches “Population Characteristics [N01]” and “Environmental and Public Health [N06]”, respectively—with the top root “Health Care [N]”.

So, we use two MeSH terms “health” and “public health” to represent the population health demand, and the "diseases category" MeSH terms to indicate the individual health demand (specific diseases management).2)      I: The “Information Science [L]” branch as a representation of the supply side in terms of informatics concepts and techniques.3)      T: The “Analytic, Diagnostic, and Therapeutic Techniques and Equipment [E]” branch is a representation of the state of the art of technological applications, namely the functions to be realized by informatics, e.g., diagnosis, therapeutics, surgical procedures, investigative techniques, equipment and supplies.In the H-I-T model, every related article can be classified as Health demand (H), Informatics-supply (I), Technological applications (T), or a combination of these three using its MeSH terms and HIT score.