Table 6.

Association rules between qi deficiency and symptoms.

Consequent	Antecedent	Support (%)	Confidence (%)
Qi deficiency = T	Insomnia = T and Spiritlessness = T	58.10	87.43
Qi deficiency = T	Thready pulse = T and Shortness of breath = T	50.00	86.98
Qi deficiency = T	Moist tongue coating = T and Spiritlessness = T	51.43	86.73
Qi deficiency = T	Insomnia = T and Shortness of breath = T	60.32	86.58
Qi deficiency = T	Soreness and weakness of waist and knees = T and Spiritlessness = T	62.06	86.45
Qi deficiency = T	Insomnia = T and Weak breathing with no desire to speak = T	50.00	86.35
Qi deficiency = T	Insomnia = T and Weakness = T	62.54	86.29
Qi deficiency = T	Thready pulse = T and Weakness = T	51.43	86.11
Qi deficiency = T	Wiry pulse = T and Spiritlessness = T	52.22	86.02
Qi deficiency = T	Thready pulse = T	51.75	85.89
Qi deficiency = T	Insomnia = T and Palpitation = T	50.48	85.85
Qi deficiency = T	Insomnia = T	63.49	85.75
Qi deficiency = T	Insomnia = T and Chest tightness = T	58.73	85.68
Qi deficiency = T	Spiritlessness = T and Shortness of breath = T	84.76	85.58
Qi deficiency = T	Spiritlessness = T	88.89	85.54

T= true, indicating the presence of the syndrome or symptom.