Scientific publications on orthopedic surgery from three major East Asian countries (2012-2021)

Figure 1  Flow chart for study selection.

Figure 2 The articles published in the 86 orthopedics journals by researchers from Japan, South Korea and China (2012-2021). A: Annual numbers; B: Annual proportion; C: Annual citations.

Figure 3 Number of clinical trials, randomized controlled trials and case reports published by researchers from Japan, South Korea and China from 2012 to 2021. RCT: Randomized controlled trials.

Figure 4 The average impact factors and annual total impact factors of articles published in the 86 orthopedics journals by researchers from Japan, South Korea and China from 2012 to 2021. IF: Impact factors.