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Table 1 Methodological quality evaluation of included studies

From: Correlation between percutaneous transthoracic needle biopsy and recurrence in stage I lung cancer: a systematic review and meta-analysis

Inclusion study Selection comparabbility Exposure total
adequate case definition case representativeness control selection control definition ascertainment of exposure same method non-response rate
Matsuguma, H. 2005 [3] 1 1 1 1 1 1 1 1 8
Inoue, M. 2011 [2] 1 1 1 1 1 1 1 1 8
Asakura, K. 2012 [11] 1 1 1 1 1 1 1 1 8
Flechsig. P. 2015 [10] 1 1 1 1 0 1 1 1 7
Kashiwabara, K. 2016 [12] 1 1 1 1 1 1 1 1 8
Moon, S.M. 2017 [7] 1 1 1 1 1 1 1 1 8
Hu, C. 2018 [9] 1 1 1 1 0 1 1 1 7
Ahn, S. Y. 2019 [8] 1 1 1 1 1 1 1 1 8