Levels of immunoglobulin isotypes in serum and respiratory samples of patients with chronic obstructive pulmonary disease: a systematic review and meta-analysis.

Respir Res · 2026 · PMC13041067 · PMID 41742146

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

showed a trendno p-value reported

In the meta-analysis of the limited evaluable studies, pooled estimates showed a trend toward higher levels of IgG in people with COPD.

also in 53,322 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.