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200 patients presenting with symptoms suggestive of Crohn’s disease chose to take part in a new study which was looking at the validity of a new blood test for this condition. Out of these 200 patients, 140 had a negative test result. Of the 90 patients who had Crohn’s disease, 78 had a negative result.

Please work out the specificity of the new test and select the correct answer from the list below. Each answer is rounded to 2 decimal points.

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