Example sentences of "[be] that a high proportion " in BNC.

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1 It may be that the effect of diagnosis is real and that duodenal ulcer is more persistent than gastric ulcer , or it may be that a higher proportion of gastric ulcer patients have been operated upon in the time between the two periods of registrations of drug use .
2 What seems to have happened over the last twenty years or so is that a higher proportion of juveniles are being dealt with officially by the police rather than being dealt with unofficially or warned .
3 The corollary of that is that a higher proportion of their income is spent on tobacco products .
4 Our experience at the Royal National Throat , Nose , and Ear Hospital over the past two years in a study of over 200 children aged 3–8 years with chronic ( more than six months ) or recurrent ( more than three episodes ) glue ear is that a high proportion ( over 80% ) have allergic rhinitis and that treatment of this is associated with resolution of the secretory otitis media in most cases .
5 Another problem with the vast number of previous publications on disturbed gastric function patients with DU is that a high proportion of the so called normal controls will have had disturbed gastric function due to unrecognised H pylori infection .
6 One finding of interest provided by the test with a calendar was that a high proportion of pupils in all attainment bands knew that dates in the following year fell a day later than the previous one .
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