Table 1.
Characteristics of the studies included
| Included study | Country | Type | Mean age (year) | Hips analyzed(DHS/CS) | gender(Male/female) | Interventions | Follow-up | Outcome |
|---|---|---|---|---|---|---|---|---|
| Lee 2007 [9] | Taiwan | Retrospective | 72.8/70.6 | 40/44 | 35/49 | DHS vs multiple cannulated screws | 12 | ①②③④ |
| Widhalm 2019 [10] | UK | Retrospective | 76.9(18-100) | 254/199 | 110/343 | DHS vs double cannulated screw | 24 | ①②③④ |
| Watson 2012 [15] | Australia | RCT | 77.9(53-89)/76.7(53-93) | 31/29 | 11/49 | DHS vs Cancellous screws | 24 | ①②③④ |
| Sharma 2018 [16] | India | RCT | NA(21-57) | 27/29 | - | DHS vs Cancellous screws | 24 | ②③ |
| FAITH 2017 [17] | Canada | RCT | 72.2±12.0/72±12.3 | 542/537 | 422/648 | SHS vs Cancellous screws | 24 | ①②③④ |
| Gupta 2016 [18] | India | RCT | 40.7(16-60)/39.3(16-60) | 40/45 | 55/30 | SHS vs multiple cancellous screws | 12 to 36 | ①②③④ |
| Sørensen 1992 [19] | Denmark | RCT | 77(52-94) | 35/38 | 18/55 | SHS vs three Gouffon screws | 36 | ①②③④ |
| Madsen 1987 [20] | Denmark | RCT | 75(25-91)/74(34-92) | 51/52 | 25/78 | SHS vs Cancellous screws | 24 | ②④ |
| Christie 1988 [21] | Scotland | RCT | 69(26-80) | 61/66 | - | SHS vs double pin | 33 | ②④ |
| Siavashi 2015 [22] | Iran | RCT | 30(18-59)/28(18-60) | 30/28 | 46/12 | DHS vs Cancellous screws | 12 to 36 | ③④ |
| Kuokkanen 1991 [23] | Finland | RCT | 60/72.5 | 17/16 | - | SHS vs three cancellous screws | 24 | ④ |
| Chen 2017 [24] | China | Retrospective | 58.3±9.3 /56.8±8.6 | 42/44 | 38/48 | DHS vs Cannulated compression screw | 24 to 36 | ②③ |
| Hoshino 2016 [25] | USA | Retrospective | 40±12/39±11 | 48/15 | 41/21 | DHS vs Pauwel screws | 4 to 66 | ②③④ |
| Bisaccia 2018 [26] | Italy | Retrospective | 67.8(45-80) | 42/75 | 40/77 | DHS vs cannulated screws | 12 | ②③④ |
| Stiasny 2008 [27] | Denmark | Retrospective | NA(30-95) | 44/70 | 41/71 | DHS vs 3 AO screw | 21.5 | ④ |
| Tolga 2012 [28] | Turkey | Retrospective | 46(25-67)/45(18-68) | 33/33 | 35/31 | DHS vs Cancellous screws | 33.6 | ②③④ |
SHS sliding hip screws, DHS dynamic hip screws, RCT randomized clinical trial; ①Mortality②Non-union③AVN④Revision