Table 2

Appraisal of Guidelines, Research and Evaluation domain scores of guidelines over time (total sample=608)

1988–1992 (n=9)1993–1997 (n=102)1998–2002 (n=291)2003–2007 (n=206)p Value for trend
Domain scores
 Scope and purpose44616071<0.001
 Stakeholder involvement183833370.01
 Rigour of development144143440.003
 Clarity and presentation32565568<0.001
 Applicability10301823<0.001
 Editorial independence173028330.26
Overall assessment*
 No of guidelines recommended or recommended with provisos0 (0%)14 (56%)68 (55%)86 (72%)0.001
  • * Total subsample of 270 guidelines.