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Table 3 Distribution of reviews by reviewer, setting, and methodological criteria

From: Missing the forest (plot) for the trees? A critique of the systematic review in tobacco control

Combined methodological criteria* Setting** N (%)
  Clinical Clinical System Community Mixed All
COCHRANE      
RCTs with pooling 14 (74) 0 (0) 2 (15) 4 (33) 20
RCTs/CTs with pooling 3 (16) 0 (0) 1 (8) 5 (42) 9
Other 2 (11) 2 (100) 10 (77) 3 (25) 17
All levels 19 (100) 2 (100) 13 (100) 12 (100) 46
GUIDE      
RCTs with pooling 0 (0) 0 (0) 3 (25) 0 (0) 3
RCTs/CTs with pooling 0 (0) 0 (0) 0 (0) 1 (100) 1
Other 0 (0) 5 (100) 9 (75) 0 (0) 14
All levels 0 (0) 5 (100) 12 (100) 1 (100) 18
  1. * Combined methodological criteria: RCTs with pooling (Randomized controlled trials only, with quantitatively pooled results), RCTS/CTs with pooling (Randomized controlled trials or Controlled Trials only, with quantitatively pooled results), Other (any study design, any type of synthesis)
  2. ** Setting: Clinical (interventions aimed at individuals in a clinical setting), Clinical system (interventions involving the healthcare system, such as subsidies for cessation medications or provider training), Community, or Mixed (included trials involving interventions in two or more of the above).