Meta-analysis of new intervention measures for preventing side effects of artificial joint replacement

Table 1 Basic characteristics of included studies

Ref.	Number of cases		Gender (male/female)		Age (mean ± SD, yr)		Intervention measures		Intervention time	Outcome indicators
	Observers	Control group	Observers	Control group	Observers	Control group	Observers	Control group
Ye et al[7], 2020	30	30	19/11	17/13	72.51 ± 6.31	73.16 ± 5.87	Low molecular weight heparin calcium + periodic inflation pressurization system	Low molecular weight heparin calcium	14 d	Deep vein thrombosis
Yuan et al[8], 2019	40	40	18/22	21/19	71.36 ± 4.37	70.85 ± 5.04	Low molecular weight heparin calcium + periodic inflation pressurization system	Routine prevention	7-10 d	Deep vein thrombosis
Peng et al[9], 2019	32	32	20/12	19/13	74.88 ± 6.02	75.13 ± 5.42	Rivaroxaban	Low molecular weight heparin calcium	14 d	Deep vein thrombosis
Deng et al[10], 2016	43	40	24/19	22/18	69.17 ± 6.52	70.49 ± 5.88	Rivaroxaban	Low molecular weight heparin calcium	14 d	Deep vein thrombosis
Peng et al[11], 2013	40	40	23/17	24/16	76.10 ± 5.23	75.78 ± 4.36	Low molecular weight heparin calcium + gradient elastic compression socks	Gradient elastic compression socks	4-6 wk	Deep vein thrombosis
Wu et al[12], 2014	40	40	-	-	-	-	Periodic inflation and pressurization system	Routine prevention	14-21 d	Deep vein thrombosis
Jin et al[13], 2018	37	37	22/15	23/14	72.54 ± 3.48	74.01 ± 5.12	Low molecular weight heparin calcium	Routine prevention	7 d	Deep vein thrombosis pulmonary embolism
Rao et al[14], 2018	sixty-eight	sixty-eight	36/32	32/36	71.28 ± 5.01	70.64 ± 4.51	Rehabilitation training + periodic inflation and pressurization system	Rehabilitation training	-	Deep vein thrombosis
Qian et al[15], 2019	63	63	30/33	31/32	74.52 ± 6.14	73.68 ± 5.43	Arteriovenous foot pump	Routine prevention	-	Deep vein thrombosis
Liu et al[16], 2015	43	43	30/13	32/11	70.46 ± 5.55	71.18 ± 4.61	Low molecular weight heparin calcium	Gradient elastic compression socks	10 d	Deep vein thrombosis

Table 2 Literature quality evaluation (score)

Ref.	Random sequence generation method	Blinding	Exit and lost visits	Quality score
Ye et al[7], 2020	1	1	1	3
Yuan et al[8], 2019	2	1	1	4
Peng et al[9], 2019	2	1	0	3
Deng et al[10], 2016	1	2	0	3
Peng et al[11], 2013	1	1	1	3
Wu et al[12], 2014	1	2	1	4
Jin et al[13], 2018	2	2	1	5
Rao et al[14], 2018	1	2	0	3
Qian et al[15], 2019	0	2	1	3
Liu et al[16], 2015	2	2	0	4