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Table 2 Characteristics of clinical registries

From: Defining key design elements of registry-based randomised controlled trials: a scoping review

 N studies
Time-period coverage
 Reported8
 Not reported5
Population coverage
 Reported13
 Not reported0
Consent stated
 Yes9
 No4
Funding
 Reported10
 Not reported3
Data validity
 Reported10
 Not reported3