Of all the bibliometric parameters, the h-index is the most widely used to gauge the academic productivity and contribution to disciplines. In 2005, Hirsch proposed the h-index as a robust indicator of the quantity (number of publications) and quality (impact of the citations) of a scientific publication, but this speculation has not been empirically tested. This investigation determined the contributions of quantity and quality dimensions to the prediction of h-index and identify which of the dimension is the most viable in predicting it. The h-index, total number of publications, citation, and co-authorship counts for the 80 medical and health sciences fellows of the African Academy of Sciences were obtained from the Scopus database. The h-index is significantly related to publication (r = .388, p