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Table 5 Data source and data extraction (d-dimer) of included studies

From: Traditional Chinese and western medicine for the prevention of deep venous thrombosis after lower extremity orthopedic surgery: a meta-analysis of randomized controlled trials

First author and year Experimental group   Control group
Before the drug n After the drug n Before the drug After the drug
Bi CQ 2009 [12] 1.12 ± 1.11033 35 0.6829 ± 0.4547 35 0.74 ± 0.90365 0.72 ± 0.53292
He Y 2013 [16] 1.242 ± 1.078 62 0.792 ± 0.592 62 0.832 ± 0.912 0.792 ± 0.612
Jiang KW 2011 [19] 1.120 ± 1.110 65 0.682 ± 0.454 73 0.740 ± 0.903 0.720 ± 0.532
Li JH 2015 [21] 0.856 ± 0.187 44 0.509 ± 0.284 41 0.791 ± 0.221 0.693 ± 0.457
Shao ZH 2016 [23] 0.154 ± 0.060 45 1.405 ± 0.362 45 0.142 ± 0.051 1.968 ± 0.527
Shi M 2011 [24] 0.986 ± 0.325 29 0.603 ± 0.428 34 0.962 ± 0.547 0.891 ± 0.734
Xiao G 2015 [26] 0.16 ± 0.09 38 0.11 ± 0.26 38 0.17 ± 0.10 0.16 ± 0.11
Zhai JB 2016 [28] 1.525 ± 0.347 38 1.642 ± 0.389 38 1.493 ± 0.321 2.205 ± 0.561
Zhao Q 2017 [30] 1.90 ± 0.43 95 1.65 ± 0.56 95 1.90 ± 0.40 1.62 ± 0.62