Skip to main content

Table 4 Study characteristics of individual selected studies

From: Total hip arthroplasty versus hemiarthroplasty for displaced femoral neck fractures in the healthy elderly: a meta-analysis and systematic review of randomized trials

Study Recruitment period THA number (N) HA number (N) Single-/ multicenter (N sites) THA mean age HA mean age
Baker et al. [14] NS 40 41 Multi-center (3) 74 76
Blomfeldt et a. [15] NS 60 60 Single center 81 81
Dorr et al. [29] March 1980 to July 1982 39 50 Single center 69  
Keating et al. [25] Sep 1996 to June 2000 69 69 Multi-center (11) 75 75
Macaulay et al. [16, 26] 18 months (NS) 17 23 Multi-center (5) 82 77
Mouzopoulos et al. [17] April 1999 to April 2002 43 43 Multi-center (NS) 73 74
Skinner et al. [28] Dec 1984 to Dec 1986 89 91 Single center 81 82
Van den Bekerom et al. [13] Jan 1995 to Dec 2001 115 137 Multi-center (8) 82 80
  1. THA total hip arthroplasty, HA hemi arthroplasty, NS not specified