Table 1.

The five most frequently used acupoints with the five most valued tf-idf patterns.

	Patterns
Acupoints	(tf-idf)
(frequency)	1st	2nd	3rd	4th	5th
	(tf-idf)	(tf-idf)	(tf-idf)	(tf-idf)	(tf-idf)
CV4	Fire	Small intestine	Qi	Bladder	Kidney
(16)	(0.58)	(0.40)	(0.33)	(0.32)	(0.23)
CV6	Fire	Qi	Kidney	Small intestine	Blood
(16)	(0.63)	(0.31)	(0.29)	(0.28)	(0.27)
ST36	Heart	Phlegm	Fire	Blood	Qi
(13)	(0.42)	(0.41)	(0.40)	(0.38)	(0.31)
SP6	Fire	Qi	Heart	Blood	Dampness
(12)	(0.56)	(0.32)	(0.32)	(0.31)	(0.27)
CV3	Fire	Blood	Heart	Dampness	Qi
(12)	(0.61)	(0.38)	(0.37)	(0.31)	(0.29)