Table 1.

Most relevant countries by corresponding authors of tea in AD.

Country	Articles	SCP	MCP	Freq	MCP_Ratio
China	93	78	15	0.249	0.161
USA	42	33	9	0.112	0.214
India	25	16	9	0.067	0.36
Italy	18	16	2	0.048	0.111
Korea	18	12	6	0.048	0.333
Australia	17	10	7	0.045	0.412
Iran	15	9	6	0.04	0.4
Japan	15	12	3	0.04	0.2
Brazil	11	8	3	0.029	0.273
Canada	10	7	3	0.027	0.3
Spain	10	6	4	0.027	0.4
United Kingdom	10	4	6	0.027	0.6
Germany	8	6	2	0.021	0.25
Egypt	6	4	2	0.016	0.333
Turkey	6	4	2	0.016	0.333
Saudi Arabia	5	2	3	0.013	0.6
Thailand	5	4	1	0.013	0.2
France	4	2	2	0.011	0.5
Greece	4	3	1	0.011	0.25
Norway	4	1	3	0.011	0.75

Note: MCP: Multiple country publication; SCP: Single country publication.