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Table 2 Preliminary results of the continuous surveillance implementation

From: Continuous surveillance of a pregnancy clinical guideline: an early experience

  First update cycle Second update cycle Third update cycle
Literature search
 –Search dates 01/01/2012
31/08/2014
01/09/2014
28/02/2015
01/03/2015
31/08/2015
 –Time period included (months) 32 6 6
Results of the literature search
 –Evidence identified from the CG Updating Working Group 19 NC NC
 –References on efficacy 9191 2089 1946
 –References on costs and resource use 116 51 19
 –References on patients’ values and preferences 384 10 39
 –Drug alerts NA 10 6
Total 9710 2160 2010
Results of reference screening
 –Pertinent references 318 NC NC
 –Relevant references 289 NC NC
 –Potential key references (≥1 participants) 184 NC NC
 –Potential key references (≥2 participants) 31 NC NC
 –Potential key references (CG methodology experts) 55 NC NC
  1. NA not available, NC not completed