Hospital group Mediclinic International Plc (LON:MDC) plunged into the red on write-offs on investments in Switzerland and Spire Healthcare PLC (LON:SPI).
Mediclinic’s bid for the outstanding 70% of Spire was rejected by the UK healthcare group in November leading to the subsequent collapse of talks.
READ: Mediclinic nudges up guidance after strong second half for its Middle East division
Spire’s value had slumped after it paid out £37mln compensation to women treated by disgraced surgeon Ian Paterson.
South Africa-based Mediclinic, which runs hospitals in Africa, Switzerland and the Middle East, posted a loss of £492mln in the year to March after a £109mln charge for Spire and £644mln at Swiss group Hirslanden.
Mediclinic also incurred £23mln of costs rebranding its Al-Noor acquisition.
Revenues over the year were 4% higher at £2.87bn with underlying profits 3% better at £515mln.
Shares fell 4% to 650p.