Table 3.

Set of association rule items within the syndrome set.

Sequence	Rule itemset	Support (%)	Confidence (%)	Lift
1	Uterus blockage ⟶ stagnation of blood stasis	1.85	46.67	2.53
2	Malnutrition of the thoroughfare and conception vessels ⟶ kidney deficiency	0.79	75.00	2.11
3	Blockage of the thoroughfare and conception vessels ⟶ phlegm stagnation	0.79	60.00	2.25
4	Liver Qi stagnation ⟶ kidney deficiency	10.29	59.09	1.66
5	Menstruation deficiency ⟶ kidney yin deficiency	0.79	60.00	18.95
6	Spleen deficiency ⟶ phlegm stagnation	4.75	51.43	1.91
7	Qi deficiency with blood stasis ⟶ phlegm stasis	0.79	100.00	3.75
8	Qi and blood deficiency ⟶ liver and kidney deficiency	0.79	50.00	9.48
9	Qi stagnation and dampness and dampness blockage ⟶ spleen and kidney deficiency	0.79	100.00	5.74
10	Qi stagnation and dampness blockage ⟶ phlegm stasis	0.79	100.00	5.12
11	Lower energizer dampness-heat ⟶ middle energizer dampness-heat	0.79	100.00	94.75
12	Lower energizer dampness-heat ⟶ stagnation of blood stasis	0.79	100.00	5.41
13	Lower energizer dampness-heat ⟶ kidney deficiency	0.79	100.00	2.81
14	Heart-liver Qi stagnation ⟶ kidney yin deficiency	1.06	80.00	25.27
15	Stagnation of blood stasis ⟶ kidney deficiency	11.87	64.29	1.80
16	Middle energizer dampness-heat ⟶ lower energizer dampness-heat	0.79	75.00	94.75
17	Middle energizer dampness-heat ⟶ stagnation of blood stasis	0.79	75.00	4.06
18	Middle energizer dampness-heat ⟶ kidney deficiency	0.79	75.00	2.11

^∗ Note. Support ≥ 0.7%; confidence ≥ 46%; lift measure > 1.