Two thirds of medical and dental staff with known data had UK nationality, over a quarter had non-EU nationalities while 7% had EU and EEA nationalities.
Roedd gan ddau o bob tri staff meddygol a deintyddol â data hysbys genedligrwydd y DU, dros chwarter genedligrwydd nad oedd yn genedligrwydd yr UE a 7% genedligrwydd yr UE a'r AEE.