The number of complaints against health boards across Wales has risen significantly in the last four years, according to figures obtained by Plaid Cymru.

The data shows that between 2009-2010 and 2012-2013, the all Wales total for complaints increased by more than 40%.

Cardiff and Vale UHB, which runs Wales’ largest hospital, the University Hospital of Wales, received the most complaints in 2012-2013, with the total standing at 1,883 – up 114% from 2008-2009.

ABMU Health Board saw a rise of 188% between 2009-2013, from 298 complaints to 858.

Between 2008-2009 and 2012-2013, Aneurin Bevan UHB saw an increase of 56%, Hywel Dda UHB recorded a rise of 36%, Cwm Taf UHB recorded a 32% increase and Powys Teaching Health Board had a 16% increase. Between 2011-2012 and 2013-2014, Betsi Cadwaladr UHB saw complaints rise by 19%.

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WalesOnline: Significant rise in complaints to health boards in recent years