The underlying basis of this condition is likely to be genetic.
Times, Sunday Times (2006)
Pre-tax profits grew by 23 per cent on an underlying basis.
Times, Sunday Times (2011)
On an underlying basis, growth was 0.7 per cent.
Times, Sunday Times (2016)
The bank said that on an underlying basis, stripping out downward valuation of assets, its profits and earnings per share were sharply higher.
Times, Sunday Times (2013)