The h-index determines the impact of a scientist on her/his field from the number of papers written and the number of times each has been cited in the medical literature.

Data collection:

(1) all papers published by the author

(2) number of times each paper has been cited in the literature


Data analysis:

(1) Sort papers by number of citations from highest to lowest.

(2) Consolidate by counting the number of papers for each number of citations.


The h-index is determined by proceeding from highest to lowest number of citations. The h-index occurs when the number of papers with X citations is greater than or equals X.



minimum h-index: 0

maximum h-index: over 100

The higher the h-index the greater the author's impact on their field.

A full professor may have an h-index from 12 to 24.

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