Consistency matters more than perfection
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healthcare ecosystems of this database limits generalizability to global populations, and missing data elements complicate accurate benefit-risk assessments
Supplement Facts: Serving Size: 12.5 ml Servings Per Container: 40 Amount Per Serving: L-Carnitine: 1500 mg Protein: 0 g Carbohydrate: 0 g of which sugars: 0 g Fat: 0 g of which saturates: 0 g Fibre: 0 g Salt: 0 g *RI - Reference Intake Ingredients: Water, citric acid, flavourings, preservative potassium sorbate, thickening agent cellulose gum, carrot and blackcurrant concentrate for color, coloring for apricot flavor beta-carotene, sodium benzoate
Key protocol components, including eligibility criteria, treatment strategies, assignment procedures, follow-up, outcome definitions, causal contrast, identifying assumptions and the data analysis plan, were translated into operational definitions using validated claims-based algorithms and observational analogs of key study design choices