[Retracted] Combination use of core decompression for osteonecrosis of the femoral head: A systematic review and meta-analysis using Forest and Funnel Plots

Table 1

The characteristics of included 10 studies.

Author	Country	Age (y, E/C)	Cases (n, E/C)	Sample size (hips)	Disease stages	Intervention	Control (drill diameter)	Follow-up(months)
FuQiang2013 [20]	China	37.5/36.1	23/22	32/29	ARCO: I-III	CD + BMSCs	CD(3.0mm)	12
Gangji2011 [19]	Belgium	42.2/45.7	13/11	13/11	ARCO:I/II	CD + BMSCs	CD(3.0mm)	60
GuoXiaowei2008 [21]	China	42/42	10/10	12/12	FICAT:I-III	CD + BMSCs	CD(2.0mm)	12
Hauzeur2017 [22]	Belgium	48.0/49.7	19/19	19/19	ARCO:I-III	CD + BMSCs	CD(4.0mm)	24
Pepke2016 [13]	Germany	44.3/44.5	11/14	11/14	ARCO: I/II	CD + BMSCs	CD(2.0mm)	24
Rastogi2013 [23]	India	34.7/33	30/30	30/30	ARCO:I-III	CD + BMSCs	CD(3.00m)	24
Sen2012 [24]	India	NA	26/25	26/25	ARCO:I-II	CD + BMSCs	CD(4.0mm)	60
Tabatabaee2015 [25]	Iran	31/26.8	14/14	14/14	ARCO:I-III	CD + BMSCs	CD(2.7mm)	24
Zhao2012 [7]	China	32.7/33.8	50/43	53/44	ARCO:I-II	CD + BMSCs	CD(1.0mm)	60
ZhaoRiguang2016 [26]	China	30.5/35.3	18/18	18/18	FICAT:I-II	CD + BMSCs	CD(3.2mm)	24

Note. E: experiment group. C: control group. ARCO: Association Research Circulation Osseous. FICAT: CD: core decompression. BMSCs: bone marrow stem cells.