Table 2 Risk of bias assessment of included studies
From: A critical review of the long-term disability outcomes following hip fracture
| Study | Representativei | Inceptionj | Defined samplek | Adequate Follow-upl |
|---|---|---|---|---|
| Relative to non-fracture group | ||||
| Autier 2000a [18] | Y | Y | Y | Y |
| Boonen 2004a [19] | Y | Y | Y | Yh (QOL = N) |
| Cumming 1996 [20] | Y | Y | Y | Y |
| Magaziner 2003b [21] | Y | Y | Y | Y |
| Marottoli 1992c,d [16] | Y | Y | Y | Y |
| Norton 2000 [22] | Y | Y | Y | Y |
| Tosteson 2001 [23] | Y | N | Y | U |
| Wolinsky 1997d [17] | Y | Y | Y | N |
| Population-based cohorts | ||||
| Bentler 2009 [14] | N | Y | Y | N |
| Marottoli 1994c [15] | Y | Y | Y | Y |
| No comparison group | ||||
| Abimanyi-Ochom 2015 [30] | U | Y | Y | N |
| Beaupre 2007 [48]e | Y | Y | Y | Y |
| Beaupre 2005 [50]e | Y | Y | Y | Y |
| Borgquist 1990 [31] | Y | Y | Y | Y |
| Borgquist 1991 [32] | Y | Y | Y | U |
| Borgström 2013 [33] | U | Y | Y | U |
| Crotty 2000 [49] | Y | Y | Y | Y |
| Doshi 2014 [61] | U | Y | Y | U |
| Givens 2008 [52] | Y | Y | Y | Y |
| Griffin 2015 [46] | Y | Y | Y | Y |
| Holt 2008 [62] | N | Y | Y | N |
| Keene 1993 [41] | Y | Y | N | Y |
| Kitamura 1998 [34]f | Y | Y | Y | U |
| Tsuboi 2007 [35]f | Y | Y | Y | U |
| Koval 1998 [44]g | N | Y | Y | N |
| Koval 1998 [51]g | Y | Y | Y | Y |
| Magaziner 1990 [42] | Y | Y | Y | Y |
| Magaziner 2000b [43] | Y | Y | Y | Y |
| Miller 2009 [40] | Y | Y | Y | N |
| Morin 2012 [24] | Y | Y | Y | U |
| Neuman 2014 [28] | Y | Y | Y | Y |
| Osnes 2004 [25] | Y | N | Y | Y |
| Pereira 2010 [39] | Y | Y | Y | Y |
| Pitto 1994 [29] | Y | U | Y | Y |
| Samuelsson 2009 [45] | Y | Y | Y | Y |
| Shah 2001 [47] | Y | Y | Y | Y |
| Ström 2008 [36] | U | Y | Y | Y |
| Suriyawongpaisal 2003 [26] | Y | N | U | U |
| Vergara 2014 [38] | U | Y | Y | Y |
| Vochteloo 2013 [37] | Y | Y | Y | Y |
| Wang 2015 [12] | Y | Y | Y | N |
| Wong 2002 [27] | Y | Y | Y | Y |