Studies
Reason for exclusion
Amundsen et al. 2000
No valid patient reported functional outcome measure
Cho et al. 2007
No valid patient reported functional outcome measure
Fu et al. 2008
Population included congenital stenosis
Galiano et al. 2005
Observational study
Greenman 2006
Case series
Gunzburg et al. 2003
Population included congenital stenosis
Haro et al. 2008
No formal diagnosis of stenosis for included subjects
Hatta et al. 2009
Inconsistent follow-up period between subjects
Jansson et al. 2009
No valid patient reported functional outcome measure
Jayaroa & Chin 2010
Retrospective study
Kim et al. 2007
Retrospective study
Kleinstuck et al. 2009
No valid patient reported functional outcome measure
Mariconda et al. 2002
No valid patient reported functional outcome measure
McGregor & Hughes 2002a
Population included foraminal stenosis
McGregor & Hughes 2002b
Population included foarminal stenosis
Murphy et al. 2006
Population included foraminal stenosis
Ng et al. 2007
Population included spondylolisthesis
Orpen et al. 2010
Recording outcomes >2 years
Paker et al. 2005
No valid patient reported functional outcome measure
Pao et al. 2009
Inconsistent follow-up period between subjects
Papavero et al. 2009
No valid patient reported functional outcome measure
Rampersaud et al. 2008
No valid patient reported functional outcome measure
Rosen et al. 2007
Retrospective study
Schillberg & Nystrom 2000
No valid patient reported functional outcome measure
Shabat et al. 2007
No valid patient reported functional outcome measure
Shabat et al. 2008
Recording outcomes >2 years
Sinikallio et al. 2006
Surgical details not specified
Sinikallio et al. 2007
Surgical details not specified
Sinikallio et al. 2009
Surgical details not specified
Sinikallio et al. 2010
Surgical details not specified
Sirvanci et al. 2008
Retrospective study
Spratt et al. 2004
Observational study
Tenhula et al. 2000
Recording outcomes >2 years
Waikakul & Waikakul 2000
Language other than English
Westergaard et al. 2009
Observational study
Whitman et al. 2003
Case series
Wilby et al. 2006
Population included spondylolisthesis
Willen et al. 2008
Observational study
Wu et al. 2003
Language other than English
Yagi et al. 2009
No valid patient reported functional outcome measure
Yaksi et al. 2007
No valid patient reported functional outcome measure
Yamashita et al. 2006
Recording outcomes >2 years
Yukawa et al. 2002
Population included spondylolisthesis
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