Table 1.

Characteristics of the included studies

Studies	Year	Followup (months)	Interventions		Number of patients
			Arthroplasty	Internal fixation	Arthroplasty	Internal fixation
Davison et al. [5]	2001	60	Hemiarthroplasty	AMBI compression hip screw and two-hole plate	187	93
Frihagen et al. [6]	2007	24	Hemiarthroplasty	Two parallel cannulated screws	110	112
Johansson et al. [12]	2000	24	Total hip replacement	Two parallel Olmed screws	50	50
Jónsson et al. [13]	1996	24	Total hip replacement	Hansson hook pins	23	24
Bjorgul and Reikeras [3]	2006	72	Hemiarthroplasty	Olmed screws	455	228
Leonardsson et al. [16]	2010	120	Hemiarthroplasty, Total hip replacement	Hansson hook pins or Olmed screws	192	217
Heetveld et al. [9]	2007	24	Hemiarthroplasty	screws	109	115
Neander et al. [19]	1997	18	Total hip replacement	Two parallel Olmed screws	43	57
Parker et al. [21]	2002	12	Hemiarthroplasty	Three AO screws	229	226
Puolakka et al. [22]	2001	24	Hemiarthroplasty	Three Ullevaal screws	15	16
Ravikumar and Marsh [23]	2000	156	Hemiarthroplasty, Total hip replacement	Richards compression screw and plate	180	91
Rödén et al. [24]	2003	60	Hemiarthroplasty	Two von Bahr screws	47	53
Rogmark et al. [25]	2002	24	Hemiarthroplasty, Total hip replacement	Hansson hook pins or Olmed screws	192	217
Sikorski and Barrington [30]	1981	12	Hemiarthroplasty	Garden screws	114	76
Skinner et al. [31]	1989	12	Hemiarthroplasty, Total Hip Replacement	Sliding compression screws	180	91
Söreide et al. [33]	1979	12	Hemiarthroplasty	Von Bahr screws	53	51
Svenningsen et al. [34]	1985	36	Hemiarthroplasty	Compression screw versus McLaughlin nail plate	59	110
Keating et al. [15]	2006	24	Hemiarthroplasty, Total Hip Replacement	Cancellous screws or sliding hip screw	180	118
Tidermark et al. [37]	2003	24	Total Hip Replacement	Two cannulated screws	49	53
van Vugt et al. [38]	1993	36	Hemiarthroplasty	Dynamic hip screw	22	21