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Fig. 4 | World Journal of Surgical Oncology

Fig. 4

From: Predictive factors for pleural drainage volume after uniportal video-assisted thoracic surgery lobectomy for non-small cell lung cancer: a single-institution retrospective study

Fig. 4

The comparison of PDV between patients with and without smoking history, and the correlation between the smoking index and PDV in patients with smoking history. a The median PDV of patients with smoking history was higher than that of never smokers (900 ml vs. 830 ml; P = 0.030). b The smoking index showed a positive correlation with PDV in patients with smoking history, and the correlation coefficient (rho) was 0.221. PDV pleural drainage volume

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World Journal of Surgical Oncology

ISSN: 1477-7819

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