Table 1.

General patient characteristics

Factors	n	Control group (n = 100)	Research group (n = 126)	χ 2/t value	P value
Mean age (yr)	226	46.83 ± 6.95	45.12 ± 9.54
Disease course (months)	226	13.52 ± 3.57	14.30 ± 4.06
Tumor diameter (cm)	226	2.0 ± 0.78	2.07 ± 0.95
TNM stage				0.460	0.794
I	47	22 (22.00)	25 (19.84)
II	127	57 (57.00)	70 (55.56)
III	52	21 (21.00)	31 (24.60)
Pathological type				1.392	0.707
Invasive ductal carcinoma	81	36 (36.00)	45 (35.71)
Invasive lobular carcinoma	103	48 (48.00)	55 (43.65)
Mucinous adenocarcinoma	24	8 (8.00)	16 (12.70)
Medullary carcinoma	18	8 (8.00)	10 (7.94)
Syndrome type				1.790	0.617
Liver Qi stagnation	65	29 (29.00)	36 (28.57)
Qi-blood deficiency	35	15 (15.00)	20 (15.87)
Chong-Ren disharmony	97	40 (40.00)	57 (45.24)
Toxic-heat accumulation	29	16 (16.00)	13 (10.32)