Air pollutants and development of interstitial lung disease in patients with connective tissue disease: a population-based case-control study in Taiwan.

BMJ Open · 2020 · PMC7772291 · PMID 33372076

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did not reach statistical significanceno p-value reported

As shown in tables 3–5 , the subgroup analyses based on CTD revealed that the protective effect of O 3 against ILD risk was consistently present in patients with SLE, but did not reach statistical significance in patients with the other CTDs.

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