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Table 4 Scientific output of thematic clusters related to the descriptor “Aged, 80 and over”

From: Thematic research clusters in very old populations (≥ 80 years): a bibliometric approach

Research clusters and sub-topics N docs % N Citations Citations per doc
A) Geriatric diseases, health services for the aged and social and psychological issues of aging 8381 38 143,734 17.1
 - Health services for the aged & social and psychological issues of aging 5414 24.6 95,003 17.5
 - Neurocognitive & depressive disorders 3094 14 62,695 20.3
 - Muscle atrophy problems 874 4 16,071 18.4
 - Falls & fractures 841 3.8 12,615 15
 - Genetic factors 555 2.5 13,806 24.9
 - Nutrition 349 1.6 5829 16.6
B) Cardiovascular diseases 6963 31.6 69,513 10
 - Vascular diseases 5681 25.8 55,022 9.7
 - Heart diseases 5380 24.4 56,313 10.5
C) Neoplasms 5205 23.6 34,882 6.7
D) Bacterial Infections & Anti-Bacterial Agents 1216 5.5 11,220 9.2