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Table 2 ‘Vote count’ of studies investigating work-related outcomes with statistical methods

From: Work-related outcomes in randomised placebo-controlled pain trials: a systematic review and meta-analysis

Significant improvement

Non-significant changes

Bejarano et al. 2008 [15]

Albert et al. 2013 [10]

Bennett et al. 2003 [16]

Barkham et al. 2010 [13]

Bradley et al. 2010 [18]

Baron et al. 2010 [14]

Chappell et al. 2011 [22]

Chappell et al. 2009 [21]

He et al. 2005 [24]

Egsmose et al. 1997 [23]

Kavanaugh et al. 2006 [26]

Jarzem et al. 2005 [25]

Kavanaugh et al. 2009 [27]

Lehmann et al. 1986 [29]

Kavanaugh et al. 2013 [28]

Licciardone et al. 2003 [30]

Meireles et al. 2010 [33]

Skljarevski et al. 2009 [34]

Markenson et al. 2005 [32]

Straube et al. 2011 [4]

Skljarevski et al. 2010a [35]

van der Heijde et al. 2006 [39]

Skljarevski et al. 2010b [36]

 

Smolen et al. 2006 [37]

 

Strand et al. 1999 [38]

 
  1. The results of active treatment groups were pooled. Studies reported either significant improvements or non-significant changes; no study reported a significant worsening in work-related outcomes.