the rate ranged from 9.5% for healthcare assistants and other support workers to 2.3% for medical and dental staff, when comparing staff groups
roedd y gyfradd yn amrywio o 9.5% ar gyfer cynorthwywyr gofal iechyd a staff cymorth eraill i 2.3% ar gyfer staff meddygol a deintyddol, wrth gymharu grwpiau staff.