3.4. Analysis of Countries
The top five countries with the most published articles, according to the country of the authors, are the United States, Japan, China, Canada and Germany. The United States contributed the most articles (1127,31.16%), followed by Japan (366,10.12%), China (268,7.08%), Canada (239,6.61%), and Germany(233,6.44%) (Figure 4). Additionally, the collaboration map in this field was analyzed for each country or region. China and the United States had the most collaborations.
Figure 4 The most productive countries and regions in the field of hemiparesis research caused by cerebral apoplexy.