Association of preoperative spirometry tests with postoperative pulmonary complications after mediastinal mass resection: protocol for a retrospective cohort study.

BMJ Open · 2023 · PMC10152045 · PMID 37116995

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partially significantno p-value reported

First, as clinical data were collected from electronic medical records, partially significant data will be lost and some patients will be excluded.

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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.