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Table 1 PICOS criteria for study inclusion

From: Synergistic Effect of Increased Total Protein Intake and Strength Training on Muscle Strength: A Dose-Response Meta-analysis of Randomized Controlled Trials

Parameter Inclusion criterion
Population Adult participants (not injured or critically ill)
Intervention Supplementary protein intake for ≥ 2 weeks
Comparator Placebo or no intervention
Outcome Muscle strength
Study design Randomized controlled trial