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. 2021 Jul 15;12:690392. doi: 10.3389/fphar.2021.690392

TABLE 7.

Top 10 keywords by frequency and centrality.

Rank Frequency Keyword Centrality Keyword
1 2,170 Vascular calcification 0.54 Vascular calcification
2 2,117 Calcification 0.31 Chronic kidney disease
3 1,437 Atherosclerosis 0.28 Computed tomography
4 1,240 Chronic kidney disease 0.22 Cardiovascular disease
5 981 Mortality 0.18 Atherosclerosis
6 928 Cardiovascular disease 0.18 Stenosis
7 715 Calcium 0.17 Calcification
8 710 Expression 0.15 Expression
9 676 Inflammation 0.13 Smooth muscle cell
10 632 Stenosis 0.12 Stage renal disease