Table 7.

Gap analysis for primary syndromes of the proposed model with tongue analysis

Primary syndrome derived from the proposed model	No. of samples (n)	Matched with tongue (n)%	Unmatched with tongue (n)%	Unmatched to tongue analysis
*Qi Deficiency (Total symptoms < 2)	90	82 (91)	8 (9)	7 as Qi-Yin Deficiency, 1 as Yang-Qi Deficiency
Qi Deficiency	299	288 (96)	11 (4)	9 as Qi-Yin Deficiency, 2 as Yang-Qi Deficiency
Qi-Yin Deficiency	73	65 (89)	8 (11)	7 as Qi Deficiency, 1 as Yang-Qi Deficiency
Yang-Qi Deficiency	128	101 (79)	27 (21)	24 as Qi Deficiency, 2 as Qi-Yin Deficiency, 1 as Yin-Yang Dual Deficiency
Yin-Yang Dual Deficiency	71	71 (100)	0 (0)
	661	607 (92)	54 (8)

*Patients with total symptoms less than 2 in the questionnaire could be classified as Qi Deficiency according to their tongue manifestations