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Table 1 (a) Characteristics of studies included in the meta-analysis, (b) drug regimens in each study included

From: Non-vitamin K antagonist oral anticoagulants in venous thromboembolism patients: a meta-analysis of real-world studies

Study

Study design

Data sources

Numbers

Patients

Therapy regimen

Follow-up times

Outcomes

NOS scales

(a)

Dawwas GK, 2018 [19]

Retrospective

The Truven Health Market Scan commercial and Medicare Supplement claims databases in the USA between Jan 1, 2014, and Dec 31, 2016

15,254

VTE

Rivaroxaban, apixaban

3 months

Recurrent VTE, MB

8

Bott-Kitslaar DM, 2019 [20]

Prospective

The Mayo Thrombophilia Clinic Registry between Mar 1, 2013, and Jan 30, 2018

600

VTE

Rivaroxaban, apixaban

3 months

Recurrent VTE, MB, CRNMB

9

Davis DO, 2017 [21]

Retrospective

Ochsner Medical Center from January 1, 2013, through December 31, 2015

37

VTE

Dabigatran, rivaroxaban, apixaban

6 months

Recurrent VTE, bleeding

6

López-Núñez JJ, 2019 [22]

Retrospective

Data in the RIETE registry Jan 2013 to Apr 2018

1298

VTE

Dabigatran, rivaroxaban, apixaban, edoxaban

3 months

Recurrent VTE, MB

6

Lutseya PL, 2019 [23]

Retrospective

Market Scan data warehouse (Truven Health Analytics) for the time-period from Jan 1, 2011 to Dec 31, 2016

37,768

VTE

Rivaroxaban, apixaban

6 months

Hospitalized bleeding

7

Sindet-Pedersen C, 2018 [18]

Retrospective

Danish nationwide registries from Jan 1, 2015 to Jun 30, 2017

8187

VTE

Rivaroxaban, apixaban

6 months

All-cause mortality, recurrent VTE, hospitalized bleeding

7

Study

Race

Apixaban

Rivaroxaban

No

Age

Gender (M, %)

Renal disease (%)

Antiplatelets (%)

No

Age

Gender (M, %)

Renal disease (%)

Antiplatelets (%)

(b)

Dawwas GK, 2018 [19]

Caucasian

3091

61.6 ± 16.4

49.4

17.1

7.20

12,163

59.9 ± 16.2

49.6

15.3

6.50

Bott-Kitslaar DM, 2019 [20]

Caucasian

302

62.4 ± 14.0

62.3

9.00

22.5

298

58.5 ± 14.2

52.0

4.00

20.5

Davis DO, 2017 [21]

Caucasian

Total age: 69 ± 4.75, Gender: 45.9% male, antiplatelet 27.0%

López-Núñez JJ, 2019 [22]

Caucasian

Total age: 79 ± 9.9, Gender: 37.0% male, renal disease 41%, antiplatelet 2.0%

Lutsey PL, 2019 [23]

Caucasian

6786

60.4 ± 16.2

49.6

13.2

7.00

30,982

56.4 ± 15.4

51.8

7.10

5.10

Sindet-Pedersen C, 2018 [18]

Caucasian

1504

70.0 ± 17.8

49.2

3.90

15.2

6683

67.0 ± 17.1

54.7

2.70

12.9

  1. Wysokinski WE, et al. had the same population from the same database with Bott-Kitslaar DM, 2019 [20], thus this study was not included in the mate-analysis. (Wysokinski WE, Houghton DE, Casanegra AI, et al. Comparison of apixaban to rivaroxaban and enoxaparin in acute cancer-associated venous thromboembolism. Am J Hematol. 2019;94(11):1185‐1192. https://doi.org/10.1002/ajh.25604)
  2. VTE venous thromboembolism, SE systemic embolism, MB major bleeding, GI gastrointestinal, CRNMB clinically relevant nonmajor bleeding, NOS Newcastle–Ottawa Scale