Relationship between Acute Mastitis and Constitution of Traditional Chinese Medicine in Chinese Breastfeeding Mothers

Table 2

Baseline demographic characteristics between the two groups.

Variables		Case group	Control group	value
		N = 184 (%)	N = 201 (%)
Educational background	High school or below	5 (2.7%)	13 (6.5%)	0.194
	University or college graduates	142 (77.2%)	153 (76.1%)
	Master or doctor degree	37 (20.1%)	35 (17.4%)
Previous history of benign breast diseases	Yes, with prenatal history of breast surgery	8 (4.3%)	6 (3.0%)	0.332
	Yes and without a prenatal history of breast surgery	28 (15.3%)	22 (10.9%)
	No	148 (80.4%)	173 (86.1%)
Family history of acute mastitis	Yes	4 (2.2%)	0 (0%)	0.051
	No	180 (97.8%)	201 (100%)
Previous history of breast tumors	Benign	4 (1.6%)	3 (1.5%)	0.587
	Malignant	4 (1.6%)	2 (1%)