Fig. 1From: Diet in secondary prevention: the effect of dietary patterns on cardiovascular risk factors in patients with cardiovascular disease: a systematic review and network meta-analysisPRISMA flow diagram of study selection. This flow diagram shows the process used to identify relevant records for the network meta-analysis. The systematic literature search was performed from database inception to 1 April 2023. Abbreviations: RCT: Randomized controlled trialBack to article page