Comparison of the efficiency of endobronchial ultrasound-guided transbronchial needle aspiration using a 22G needle versus 25G needle for the diagnosis of lymph node metastasis in patients with lung cancer: a prospective randomized, crossover study.

Transl Lung Cancer Res · 2021 · PMC8512458 · PMID 34733625

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showed a trendno p-value reported

Several studies have shown an association between the diagnostic accuracy and operator experience ( 17 , 18 ), in that in the procedures performed using the 22G needle, the diagnostic accuracy showed a trend towards improvement with increasing operator experience.

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