Official Journal of the Italian Society of Orthopaedics and Traumatology
Table 1 Characteristics of included studies
From: Risk factors for preoperative deep venous thrombosis in hip fracture patients: a meta-analysis
First author | Year | Country | No. of participants | Study type | |
|---|---|---|---|---|---|
DVT | Total | ||||
Shin [10] | 2016 | Korea | 23 | 208 | Respective study |
Zhang [11] | 2018 | China | 162 | 463 | Respective study |
Zhao [14] | 2021 | China | 155 | 1515 | Respective study |
Cho [16] | 2015 | Korea | 4 | 152 | Respective study |
Fan [17] | 2017 | China | 35 | 323 | Respective study |
Fan [18] | 2021 | China | 164 | 788 | Respective study |
Fu [19] | 2020 | China | 73 | 228 | Respective study |
Luksameearunothai [20] | 2017 | Thailand | 15 | 92 | Respective study |
Niu [21] | 2021 | China | 67 | 980 | Respective study |
Song [22] | 2016 | China | 35 | 119 | Respective study |
Tan [23] | 2016 | China | 34 | 386 | Respective study |
Wang [24] | 2018 | China | 43 | 392 | Respective study |
Xia [25] | 2018 | China | 57 | 301 | Respective study |
Yu [26] | 2020 | China | 98 | 334 | Respective study |
Zeng [27] | 2018 | China | 41 | 157 | Respective study |
Zuo [28] | 2020 | China | 116 | 578 | Respective study |
Zheng [29] | 2021 | China | 38 | 272 | Respective study |
Khan [30] | 2019 | Pakistan | 2 | 107 | Respective study |
Xing [31] | 2018 | China | 74 | 248 | Respective study |
Zhang [32] | 2020 | China | 84 | 160 | Respective study |
Yue [33] | 2021 | China | 85 | 687 | Respective study |
Wei [34] | 2020 | China | 58 | 242 | Respective study |
Zhang [35] | 2020 | China | 25 | 105 | Respective study |
Zhang [36] | 2021 | China | 28 | 120 | Respective study |
Guo [37] | 2016 | China | 50 | 203 | Respective study |
An [38] | 2018 | China | 61 | 663 | Respective study |