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. 2021 Apr 28;15:648484. doi: 10.3389/fnins.2021.648484

Table 4.

Corresponding author's countries on MPP-AD related research from 1982 to 2019.

S/n Country Articles %Freq SCP MCP MCP_Ratio (%)
1 USA 71 30.34 55 16 22.54
2 United Kingdom 32 13.68 29 3 9.38
3 China 27 11.54 26 1 3.7
4 Italy 14 5.98 11 3 21.43
5 Australia 13 5.56 11 2 15.38
6 Spain 12 5.13 10 2 16.67
7 Japan 10 4.27 6 4 40
8 Mexico 6 2.56 6 0 0
9 Canada 5 2.14 4 1 20
10 Saudi Arabia 5 2.14 5 0 0
11 France 4 1.71 2 2 50
12 Germany 4 1.71 4 0 0
13 Sweden 4 1.71 3 1 25
14 Belgium 3 1.28 0 3 100
15 Korea 3 1.28 3 0 0
16 Russia 3 1.28 2 1 33.33
17 South Africa 3 1.28 0 3 100
18 Austria 2 0.86 1 1 50