Bariatric surgery for obesity and metabolic conditions in adults.

BMJ · 2014 · PMC4707708 · PMID 25164369

Europe PMC DOI

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a strong trendno p-value reported

The review found a strong trend towards different weight loss outcomes across procedures.

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a worrying trendno p-value reported

Reoperation A worrying trend is the relatively frequent rate of reoperation as a result of complications or insufficient weight loss (or both), especially for adjustable gastric banding.

also in 390 other papers

Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.