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. 2020 Dec;11(6):1155–1163. doi: 10.21037/jgo-20-487

Table 1. Baseline characteristics of the included studies.

Author Country Research type Cases (n) Age (years) Sex (male/female) Panel
Li et al., 2006 (5) China Cohort 30 N/A 15/15 2B3D
Jin et al., 2007 (6) China Cohort 110 64.0 (46.0–94.0) 68/42 2B3D
Yang et al., 2007 (7) China Cohort 105 60.5 (13.0–94.0) 66/39 2B3D
Jin et al., 2010 (8) China Cohort 150 53.2 (23.0–85.0) 73/77 2B3D
Meng et al., 2010 (9) China Cohort 128 54.6 (24.0–85.0) 62/66 2B3D
Peng et al., 2015 (10) China Cohort 75 N/A 44/31 2B3D
Zhou et al., 2015 (11) China Cohort 80 N/A N/A 2B3D
Yan et al., 2016 (12) China Cohort 182 N/A N/A 2B3D
Zheng et al., 2018 (13) China Cohort 245 N/A 139/106 2B3D
Bai et al., 2019 (14) China Cohort 271 58.0 (18.0–84.0) 111/160 2B3D
Zheng et al., 2018 (13) China Cohort 245 N/A 139/106 Promega
Bai et al., 2019 (14) China Cohort 72 N/A N/A Promega
Jiang et al., 2019 (15) China Cohort 213 59.0 (19.0–92.0) 118/95 Promega
Huang et al., 2010 (16) China Cohort 298 54.6 184/114 Promega
Li et al., 2018 (17) China Cohort 240 N/A 153/87 6 mononucleotide markers
Wang et al., 2019 (18) China Cohort 40 N/A 24/16 6 mononucleotide markers
Song et al., 2020 (19) China Cohort 2,356 N/A 1,437/919 6 mononucleotide markers

N/A, not available.