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Table 1 Basic characteristics of the included studies

From: Efficacy of various core decompression techniques versus non-operative treatment for osteonecrosis of the femoral head: a systemic review and network meta-analysis of randomized controlled trials

No. Author Year Comparisons (Intervention) No.P No.Hip Sex(M/F) Age Stage(I-IV) Risk factors Follow-up
ARCO Steroid Alcohol Idiopathic others
1 Peng, K. 2020 CD + BG 30 38 17:13 46.7 ± 13.9 11:19:0:0 16 8 0 6 1 years
CD + TI 30 38 15:15 13:17:0:0 17 6 0 7
2 Hauzeur, J. P 2018 CD 19 23 13:6 49.7 ± 3.2 0:0:23:0 13 7 3 0 2 years
CD + CT 19 23 14:5 48.0 ± 2.8 0:0:23:0 12 8 1 2
3 Cao, L. 2017 CD + BG 21 21 16:5 31 ± 6 3:13:5:0 7 8 6 0 3 years
VBG 21 2:13:6:0
4 Pepke, W. 2016 CD 24 14 8:6 44.5 ± 3.3 0:14:0:0 NR 2 years
CD + CT 11 6:5 44.3 ± 3.4 0:11:0:0
5 Tabatabaee, R. M. 2015 CD 13 14 10:4 26.8 ± 5.8 2:7:5:0 9 0 5 0 2 years
CD + CT 14 14 9:5 31 ± 11.4 3:9:2:0 10 0 4 0
6 Zhao, D. 2012 CD 50 51 26:24 33.8 ± 7.70 2:49:0:0 13 7 13 17 5 years
CD + CT 50 53 27:23 32.7 ± 10.5 3:48:0:0 10 11 16 13
7 Wang 2005 Non-surg 23 29 20:3 39.8 ± 12.1 3:10:16:0 2 16 0 5 2 years
CD + BG 25 28 23:2 39.9 ± 9.3 2:17:9:0 2 16 0 7
8 Gangji 2011 CD 19 11 10:9 45.7 ± 2.8 2:9:0:0 9 1 1 0 5 years
CD + CT 13 42.2 ± 2.6 2:11:0:0 11 1 1 0
9 Sen, R. K. 2012 CD 40 25 18:7 65.7 ± 15.2 stage(I or II) 20 8 2 21 2 years
CD + CT 26 19:7 66.2 ± 13.0
         Ficat      
10 Ma, Y. 2014 CD + BG 18 24 13:5 35 ± 9.8 4:15:5:0 13 3 6 0 2 years
CD + BG + CT 21 25 15:6 3:17:5:0 13 4 6 0
11 Li, MY 2020 CD + BG 14 20 10:4 38.2 ± 8.1 0:11:9:0 9 5 6 0 10 years
CD + BG + CT 17 21 12:5 34.1 ± 8.0 0:11:10:0 10 6 5 0
12 Stulberg BN, 1991 CD 19 28 NR 38.6 18:14:21:0 10 3 4 2 18 month
Non-surg 17 25 8 8 1 0
13 Deqiang Li, 2016 CD + BG 20 23 27:12 36.5 (23–59) 21:26:0:0 8 23 0 8 2.5 years
VBG 19 24
         Steinberg      
14 Neumayr LD, 2006 CD 17 17 8:9 24.67 2:5:10:0 NR 3 years
Non-surg 21 21 11:10 26.41 8:6:7:0
15 Miao H 2015 CD + TI 30 36 12:18 32.6 ± 6.3 16:20:0:0 22 4 7 0 18 month
CD 30 34 13:17 35.2 ± 5.8 14:20:0:0 24 5 8 0
16 Koo KH 1995 CD + BG 17 18 16:1 45 10:7:1:0 2 14 2 0 2 years
Non-surg 17 19 16:1 48 12:4:3:0 2 17 0 0
17 Hu, B. J. 2018 CD 65 65 44:21 40.38 ± 6.63 NR NR 4 years
CD + BG 65 65 46:19 40.83 ± 6.73