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. 2023 Mar 7;12(3):446–459. doi: 10.21037/tlcr-22-635

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2023 Translational Lung Cancer Research. All rights reserved.

Open Access Statement: This is an Open Access article distributed in accordance with the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International License (CC BY-NC-ND 4.0), which permits the non-commercial replication and distribution of the article with the strict proviso that no changes or edits are made and the original work is properly cited (including links to both the formal publication through the relevant DOI and the license). See: https://creativecommons.org/licenses/by-nc-nd/4.0.

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(A) Standardized differences of variables between the patients who underwent uniportal and three-port thoracoscopic segmentectomy. Black circles and grey circles indicated differences before and after matching, respectively. Propensity score matching effectively minimize the difference of baseline characteristics between the 2 groups. (B) Mirror histogram of propensity score for the patients who underwent uniportal (above the horizontal line at zero) and three-port thoracoscopic segmentectomy (below the horizontal line at zero). Similar score distribution was found in the 2 matched groups. FEV1%, predicted forced expiratory volume in 1 second; DLCO%, predicted carbon monoxide diffusing capacity.