Comparing the post-operative complications following surgery for hip fracture of patients who were on warfarin versus patients who were on novel oral anticoagulants: a meta-analysis

Table 2 General features of the studies

Studies	No. of participants using warfarin (n)	No. of participants using NOACs (n)	Type of study	Bias risk grade
Aigner 2022	1325	1361 + 234	Retrospective	B
Bruckbauer 2019	59	54	Retrospective	B
Cafaro 2019	28	31	Retrospective	B
Creeper 2022	63	82	Retrospective	B
Daugaard 2019	1681 + 4162	221 + 1063	Population-based cohort study	B
Elete 2023	21	41	Retrospective cohort study	B
Lott 2018	37	28	Retrospective study	B
Mahmood 2021	92	69	Retrospective study	B
Noll 2023	3212	217	Retrospective study	B
Rostagno 2023	36	82	Prospective cohort study	B
Rutenberg 2018	103	47	Retrospective cohort study	B
Saliba 2020	163	247	Retrospective cohort study	B
Tran 2015	233	27	Case control study	B
Total no of participants (n)	11,215	3804

ISSN: 2047-0525