Over 2,000 patients were treated on trolleys at University Hospital Limerick in May.
New figures from the Irish Nurses and Midwives Organisation show a slight decline from the same month last year.
2,018 patients were treated without a bed at the region’s main hospital throughout the month of May.
This figure is a slight reduction from the 2,055 recorded at the Dooradoyle facility in the same month a year previous.
However there was a marked increase in overcrowding figures in comparison to 2016, when 592 patients were recorded without a bed.
UHL was more than twice as overcrowded as the next busiest hospital, Cork University Hospital, where 806 patients were treated on trollies.
Galway University Hospital was the fifth busiest facility with 769 patients on trollies, while 101 patients were recorded in Ennis last month.
Overall, 9,811 patients were without a bed nationwide throughout the month of May.
