Bilateral graph

http://www.revespcardiol.org/en/congresos/sec-2013-el-congreso/5/sesion/prevencion-rehabilitacion-deporte/640/impacto-positivo-sobre-los-parametros/6203/

A bilateral graph displays to more sets of related sets of data visually with the use of bar graphs,  line graphs, or as a histogram. Bilateral graphs can have bars set side by side or somewhat apart to display the comparison of data.