Coauthorship Networks and Institutional Collaboration in Revista Española de Cardiología Publications

The aim of this study was to analyze the patterns of investigator and institutional collaboration in papers published in the Revista Española de Cardiología. Details of coauthorship and institutional collaboration involved in articles published in the Revista Española de Cardiología in the period 2000-2005 were recorded and a collaboration index was derived. Collaboration networks were identified using the TextToPajek and PAJEK software tools. Of the 980 papers analyzed, 95.1% had been authored by two or more individuals and 51.43% involved institutional collaboration. The overall collaboration index was 6.23 (standard deviation [SD] 3.1). There was a significant statistical relationship (P