Official Journal of the Italian Society of Orthopaedics and Traumatology
Table 1 Characteristics of the included studies and detailed information on the patients
Study no. | Author | Year of publication | Study design | Country | Study duration | Sample size | Male patients | Age (year) | NOS score | Locations of fracture | DVT detection method | Prevalence of preoperative DVT % | Patients with long bone fractures of lower extremities | Prevalence of preoperative DVT in long bone fractures of lower extremities % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Shin et al. [14] | 2016 | Retrospective cohort study | Korea | December 2010–August 2014 | 208 | 62 | 75.9 ± 9.7 (range 27–97) | 7 | Femoral neck, intertrochanteric, subtrochanteric | Indirect MDCT venography | 7.69 | 208 | 7.69 |
2 | Song et al. [15] | 2016 | Retrospective cohort study | China | September 2010–July 2014 | 119 | 42 | 75.2 ± 9.7 (range 47–92) | 6 | Femoral neck | Ascending venography | 29.40 | 119 | 29.40 |
3 | Wang et al. [16] | 2018 | Retrospective case–control study | China | September 2014–September 2017 | 1825 | 879 | 62.8 ± 19.5(range 18–102) | 6 | Femoral neck, intertrochanteric, femoral shaft, tibial plateau, tibial shaft | Duplex ultrasonography | 30 | 1643 | 31.65 |
4 | Wang et al. [17] | 2018 | Nested case–control study | China | January 2016–June 2017 | 248 | 108 | 71.8 ± 13.7 (range 45–96) | 7 | Femoral neck, trochanteric | Doppler ultrasonography | 11.70 | 248 | 11.70 |
5 | Xia et al. [18] | 2018 | Retrospective case–control study | China | January 2014–March 2017 | 301 | 95 | 76.45 | 6 | Femoral neck | Doppler ultrasonography | 18.90 | 301 | 18.90 |
6 | Zhang et al. [19] | 2018 | Retrospective case–control study | China | July 2014–October 2016 | 463 | 175 | 72.86 ± 13.79 (range 19–102) | 7 | Intertrochanteric, subtrochanteric, femoral neck | Doppler ultrasonography | 34.98 | 463 | 34.98 |
7 | Fei et al. [11] | 2019 | Retrospective case–control study | China | September 2014–December 2017 | 148 | 90 | 47. 2 ± 13. 1 (range 19–83) | 7 | Tibial plateau | Color Doppler ultrasound | 43.92 | 148 | 43.92 |
8 | Li et al. [20] | 2019 | Retrospective case–control study | China | September 2014–February 2018 | 180 | 114 | 47.6(range 16–83) | 7 | Tibia, fibula | Color Doppler ultrasound | 21.7 | 180 | 21.70 |
9 | Fei et al. [21] | 2020 | Retrospective case–control study | China | July 2015–October 2017 | 218 | 85 | 76.0 ± 11.9 (range 32–102) | 7 | Intertrochanteric | Color Doppler ultrasound | 37.6 | 218 | 37.60 |
10 | Li et al. [22] | 2020 | Retrospective case–control study | China | June 2014–September 2018 | 485 | 196 | 74. 6 (range 16–102) | 7 | Intertrochanteric | Color Doppler ultrasound | 36.5 | 485 | 36.50 |
11 | Wei et al. [23] | 2020 | Retrospective case–control study | China | January 2017–December 2018 | 242 | 99 | 69.1 (range 15–96) | 7 | Femoral neck, intertrochanteric | Color Doppler ultrasound | 24.0 | 242 | 24 |
12 | Feng et al. [24] | 2020 | Retrospective case–control study | China | January 2012–December 2018 | 273 | 72 | 78 ± 11 | 7 | Femoral neck, intertrochanteric, subtrochanteric, proximal femoral shaft | Ultrasound (unspecified type) | 5.60 | 273 | 5.60 |
13 | Fu et al. [25] | 2020 | Retrospective case–control study | China | July 2016–December 2018 | 228 | 78 | 71.28 ± 13.47 | 6 | Femoral neck | Ultrasound (unspecified type) | 32 | 228 | 32 |
14 | Li et al. [26] | 2020 | Retrospective case–control study | China | October 2014–December 2018 | 140 | 85 | 47.33 ± 12.90 | 6 | Tibial plateau | Duplex ultrasonography | 36.43 | 140 | 36.43 |
15 | Liu et al. [12] | 2020 | Retrospective cohort study | China | May 2018–December 2019 | 1179 | 742 | 45.6 ± 13.6 (range,18–82) | 7 | Tibial plateau | Duplex ultrasonography | 16.30 | 1179 | 16.30 |
16 | Ma et al. [27] | 2020 | Prospective cohort study | China | December 2014–October 2017 | 918 | 672 | 44.6 ± 14.5 (range,18–90) | 7 | Tibial shaft | Duplex ultrasonography | 13.30 | 918 | 13.30 |
17 | Zhang et al. [9] | 2020 | Prospective cohort study | China | October 2018–June 2020 | 160 | 59 | 58.82 ± 16.01 | 7 | Distal femur | Duplex ultrasonography | 52.50 | 160 | 52.50 |
18 | Zuo et al. [28] | 2020 | Retrospective cohort study | China | January 2017–December 2019 | 578 | 217 | 76.6 ± 8.7 (range 60–102) | 7 | intertrochanteric | Doppler ultrasonography | 20.10 | 578 | 20.10 |
19 | Bai et al. [29] | 2021 | Retrospective case–control study | China | July 2017–October 2019 | 264 | 144 | 50.69 ± 12.72(range 14–86) | 7 | Tibial plateau | Color Doppler ultrasound | 39.0 | 264 | 39.00 |
20 | Chang et al. [30] | 2021 | Retrospective cohort study | China | July 2014–November 2018 | 11,891 | 5330 | 61.4 + 8.29 (range 18–93) | 7 | Femoral neck, intertrochanteric, proximal femur, femoral shaft, tibial, fibula | Color Doppler ultrasound | 4.86 | 7177 | 5.10 |
21 | Fan et al. [31] | 2021 | Retrospective case–control study | China | January 2010–December 2019 | 788 | 273 | 78.68 ± 7.89 (range 60–113) | 7 | Intertrochanteric | Color Doppler ultrasound | 20.81 | 788 | 20.81 |
22 | Niu et al. [32] | 2021 | Retrospective case–control study | China | January 2016–October 2019 | 980 | 310 | 72.5 ± 8.5 (range 60–96) | 7 | Femoral neck | Duplex ultrasonography | 6.80 | 980 | 6.80 |
23 | Zhu et al. [33] | 2021 | Prospective cohort study | China | October 2014–December 2018 | 1179 | 742 | 45.6 ± 13.6 (range, 18–82) | 7 | Tibial plateau | Duplex ultrasonography | 16.30 | 1179 | 16.30 |