Example sentences of "[was/were] followed up for a [noun sg] " in BNC.

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1 All patients were followed up for a minimum of two years through the inflammatory bowel diseases clinic .
2 Out of the 25 patients discharged from the hospital 21 treated by endoscopy and two treated with surgery were followed up for a mean of 28.3 and 22.5 months , respectively .
3 In the same year Forbes described 22 patients with contraindications for surgery in which an endoprosthesis was placed , of these four ( 18% ) developed cholangitis , three had a repeat endoscopic retrograde cholangiopancreatography with clearance of the ducts , and two died of unrelated causes , the remaining patients were followed up for a mean of 14 months with no complications ( 17 ) .
4 The other 43 patients underwent long term endoprosthesis placement and were followed up for a mean of 15.9 months ; six ( 15% ) developed cholangitis requiring surgery or endoscopic clearance of the ducts , there were no biliary related deaths .
5 Ten patients died of unrelated causes and the remaining 10 were followed up for a mean of 26 months with no biliary symptoms .
6 Eight patients of group 1 and seven patients of group 2 were followed up for a period of >3 years ( mean follow up 47 ( range 37–60 ) months for both groups ) .
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