A study by researchers at University College Hospital, London, found that non-attendance was 12 per cent with GP referrals but 18 per cent using Choose and Book.
Meanwhile, most practice IT systems will soon be compatible with the summary care record system, health minister Ben Bradshaw said last week.
He told the House of Commons that three systems had been used to create summary care records and a fourth would be compatible by April.
'These four suppliers represent 95 per cent of all GP care systems in England,' he said.
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