History of spine surgery in older obese patients.

Ger Med Sci · 2011 · PMC3070438 · PMID 21468327

Europe PMC DOI

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an increasing trendno p-value reported

Differences in number of previous spine surgeries between age-obesity groups An increasing trend in the average number of previous spine surgeries was noticed in recurrent older patients undergoing lumbar surgery.

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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.