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Systematic Reviews
Copyright: ©Author(s) 2026.
World J Clin Cases. Jun 16, 2026; 14(17): 118087
Published online Jun 16, 2026. doi: 10.12998/wjcc.v14.i17.118087
Table 1 Baseline characteristics of the studies
Ref.
Study design
Country
Intervention
Control
Total sample size
Patients in the intervention group
Patients in the control group
Mean age (DOAC/ LMWH)
Sex (female)
Mean BMI
Metastasis
Platelets
Creatinine clearance
Schrag et al[44], 2023Randomized clinical trialUnited statesDOACLMWH6383086464/62181/17127.8/2870/68< 100 k-
Planquette et al[45], 2022Randomized clinical trialFranceRivaroxabanDalteparin1588468.668.6/70.737/40-76.8/75.6< 100 k30-50
García-Escobar et al[41], 2021Randomized clinical trialMultinationalApixabanDalteparin115557967.267.2/67.2---8.3/13.7< 50
Longo de Oliveira et al[46], 2022Randomized clinical trialBrazilRivaroxabanEnoxaparin22811452.6752.67/54.67-28.1/28.598/95--
Borsi et al[17], 2021Randomized clinical trialIranRivaroxabanEnoxaparin50252553.80/52.0812/1022.95/22.4317/8--
Lee et al[18], 2020Randomized clinical trialKoreaRivaroxabanDalteparin 1621026056.90/56.27-79/508.3/13.7-
Guntupalli et al[47], 2020Randomized clinical trialAurora and CaliforniaApixabanEnoxaparin40020419658.0/58.5-27.4/26.5---
Young et al[31], 2018Randomized clinical trialUnited kingdomRivaroxabanDalteparin40620320367/6787/10526.7/26.6181/181--
Coleman et al[48], 2023Retrospective cohort studyUnited states RivaroxabanLMWH370810932615----242.2/243-
Dong et al[49], 2024Retrospective cohort studyShanghaiRivaroxabanLMWH20010010070/6836/3122.9/22.78/17214/23664/64
Ross et al[50], 2017Retrospective cohort studyUnited statesRivaroxabanEnoxaparin1533012362/57.3357/56--245/215.686/84.33
Riaz et al[43], 2023Retrospective cohort studyUnited statesDOACLMWH36402152148867.4/63.41129/729-1164/1104--
Linder et al[19], 2024Retrospective cohort studySwedenRivaroxabanLMWH54642825183137/2952----
Kengkla et al[51], 2024Retrospective cohort studyThailandDOACLMWH144964138563.2/58.541/85422.7/22.337/84016/4670.87/0.92
Cominacini et al[52], 2022Retrospective cohort studyItalyDOACLMWH20995114658/6945/52-60/88223/2400.81/0.82
Song et al[53], 2023Retrospective cohort studyChinaRivaroxaban LMWH38219119165/6444.5%/44.5%----
Costa et al[54], 2020Retrospective cohort studyUnited statesRivaroxaban LMWH105852952973/72395/397---32.50%/32.90%
Abbas et al[55], 2025Retrospective cohort studyCanada ApixabanLMWH (mainly dalteparin) 42161966/6043.8/63.2-37.5/21.1--
Cohen et al[56], 2024Retrospective cohort studyUnited statesApixabanLMWH1637213564280863.8/63.553.1%/53.7%-39.5/41.9--
Bang et al[57], 2021Retrospective cohort studyKoreaDOACLMWH62313211963.6/63.469/6324/23.455/82237.8/226.557/51
Lee et al[58], 2021Retrospective cohort studyUnited statesDOACEnoxaprin111555662.9/61.824/2627.4/27.910/11244.6/236.545/52
Recio-Boiles et al[59], 2019Retrospective cohort studyUnited statesDOACLMWH106664067/6625/22----
Chaudhury et al[60], 2018Retrospective cohort studyUnited statesRivaroxabanDalteparin28610717969.2/59.351/8829/28.653/93216/219.86/14
Lee et al[61], 2019Retrospective cohort studySouth koreaRivaroxabanDalteparin2041317366.79/64.2552/30-103/68--
Cohen et al[62], 2025Retrospective cohort studyUnited kingdomRivaroxaban.LMWH2259 314194572.4/66.9166/1143----
Phelps et al[63], 2019Retrospective cohort studyUnited statesRivaroxaban, apixaban, dabigatranEnoxaparin and dalteparin48019029058/58103/14430/2993/161233/2194/2
McBane et al[64], 2017Randomized noninferiority clinical trialEgyptApixabanEnoxaparin100505061.26/59.9430/28-40/44--
McBane et al[64], 2017Randomized superiority clinical trialUnited statesApixabanDalteparin30015015064.4/6478/77--10/1314/14
Raskob et al[40], 2018Randomized noninferiority clinical trial14 countriesEdoxabanDalteparin104652252464.3/63.7--274/28032/2338/34
Table 2 Meta-regression table for outcomes
Variable
Estimate
P value
95% confidence interval
tau2
I2 (%)
R2 (%)
Meta-regression table for major bleeding
Age-0.00010.9977-0.082 to 0.08170.18860.020.00
BMI-0.09370.2118-0.240 to 0.0530.000.00100
Creatinine0.56280.1038-0.115 to 1.2400.04417.4257.23
Females0.46370.2794-0.376 to 1.3030.191659.93
Metastasis1.9060.0080.497-3.3150.09448.5958.38
Platelets-0.2180.38-0.706 to 0.2690.0187.620.00
Meta-regression table for minor bleeding
Age-0.0460.338-0.140 to 0.0480.13827.920.00
Females3.130.0360.204-6.0550.000.00100
Metastasis1.3240.436-2.007 to 4.6550.08318.731.78
Meta-regression table for all-cause mortality
Age-0.0170.373-0.057 to 0.0210.0571.010.48
BMI-0.0120.832-0.122 to 0.0980.04439.070.00
Creatinine0.3410.066-0.023 to 0.7060.03463.2623.99
Females1.3960.116-0.346 to 3.1400.26192.8215.48
Metastasis0.6680.0260.079-1.2570.01952.245.59
Thrombocytopenia0.2770.0090.486-0.0670.00935.7556.19
Meta-regression table for venous thromboembolism
Age0.00160.95-0.050 to 0.0530.07146.360.00
BMI-0.050.48-0.191 to 0.0900.12841.530.00
Creatinine-0.2060.447-0.739 to 0.3260.03326.180.00
Females-0.5540.267-1.536 to 0.4260.34188.244.64
Metastasis0.0530.922-1.019 to 1.1250.08957.650.00
Platelets0.1000.576-0.251 to 0.4510.01310.660.00


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