Table 4.

Association rules of main acupoints.

Serial number	Organization rules	Support (%)	Degree of confidence (%)
1	PC6→BL15	71.20	89.89
2	BL15→RN17	68.00	80.00
3	PC6→RN17	68.00	89.41
4	BL15→RN17、PC6	60.80	81.58
5	RN17→BL14	28.80	80.56
6	PC6→BL14	28.80	94.44
7	RN17→BL17	25.60	81.25
8	BL15→BL17	25.60	96.88
9	PC6→BL17	25.60	84.38
10	RN17→BL17、BL15	24.80	80.65
11	PC6→BL17、BL15	24.80	83.87
12	PC6→SP6	23.20	89.66
13	BL15→BL14、RN17	23.20	82.76
14	PC6→BL14、RN17	23.20	93.10
15	RN17→BL17、PC6	21.60	81.48
16	BL15→BL14、RN17、PC6	21.60	85.19
17	PC6→BL17、BL15、PC6	20.80	80.77
18	PC6→HT7	20.00	80.00