There was a large reduction in the number of outpatient referrals for first appointments in March 2020 during the early weeks of the COVID-19 pandemic.
Roedd gostyngiad mawr yn nifer yr atgyfeiriadau ar gyfer apwyntiad cyntaf fel claf allanol ym mis Mawrth 2020 yn ystod wythnosau cyntaf pandemig COVID-19.