Review Article

Effects of Combined Physical Activity and Cognitive Training on Cognitive Function in Older Adults with Subjective Cognitive Decline: A Systematic Review and Meta-Analysis of Randomized Controlled Trials

Figure 1

The literature searches and select flow diagram of the included studies. SCI, science citation index; VIP, Chinese Science and Technology Periodical database; CNKI, China National Knowledge Infrastructure; SCD, subjective cognitive decline; RCT, randomized controlled trial.