Example sentences of "and [n mass] [prep] [adj] years " in BNC.

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1 The risk of developing cancer is increased in those individuals who have had extensive colitis for more than 10 years after the first attack , the cumulative cancer rate being 7% at 20 years and 17% at 30 years disease duration .
2 Two year follow up of those who survived to leave hospital shows that while there is an increased mortality among the elderly this is entirely due to non-hepatic causes and that once survival is corrected for age there is no difference between the two cohorts , being of the order of 55% at one year and 50% at two years .
3 The Free Democrats talk of selling off 35–40% of Hungary 's business assets in 2–3 years and 80% within ten years .
4 Note : The said sum of £240 is made up of £180 allowed from arrears of rent charge down to 24th October 1895 , and £60 for two years arrears at £30 per annum down to 24th October 1897 .
5 There is general agreement that this device has considerably reduced the incidence of sudden cardiac death , with an incidence of 1.9% at 1 year and 4% at 5 years in the largest reported series of 555 patients .
6 The Figure shows that 25% of patients with ulcerative colitis exhibited low grade dysplasia on at least occasion by 17 years after diagnosis of ulcerative colitis , 50% by 25 years , and 75% by 38 years .
7 In our patients stone recurrence was 5.7% at one year which is somewhat lower than the recurrence rate observed by the Munich group : 11% at one year and 15% at two years .
8 If the maximum of £20 a month is saved , this will be worth £1,480 after five years and £1,760 after seven years .
9 Only 40% thought that there will be a united Ireland one day but few expected it in the short term — 16% expected it to come about in 25 years , 13% in 50 years and 11% in 100 years .
10 The incidence of oesophagitis was previously stated as 6–8% six months after fundoplication and 18% after 6.5 years .
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