Contextual information shows that until the COVID-19 pandemic, median waiting times had been relatively stable for diagnostic tests since 2017 and for therapy services since 2018.
Mae gwybodaeth gyd-destunol yn dangos bod canolrif yr amseroedd aros ar gyfer profion diagnostig, hyd at bandemig COVID-19, yn weddol sefydlog ers 2017 ac ar gyfer gwasanaethau therapi, ers 2018.