Patients’ awareness about their own breast cancer characteristics

Table 1 Characteristics of surveyed patients

Characteristic	No.	Percentage (%)
Age at diagnosis, yr
< 50	129	57.08
50-59	66	29.20
60-69	31	13.72
≥ 70	6	2.65
Marriage status
Married	215	95.13
Unmarried or other	8	3.54
Educational attainment
Primary school or below	55	24.34
Junior high school	78	34.51
Senior high school	63	27.88
University or above	31	13.72
Household income
< 50000 Yuan	81	35.84
50000-100000 Yuan	53	23.45
100000-200000 Yuan	68	30.09
≥ 200000 Yuan	20	8.85
Insurance coverage
Yes	196	86.73
No	28	12.39
Tumor stage
0	7	3.10
I	79	34.96
II	83	36.73
III	48	21.24
IV	10	4.42
Tumor grade
Low grade	31	13.72
Middle grade	157	69.47
High grade	36	15.93
Axillary lymph nodes status
Metastasis	92	40.71
No-metastasis	132	58.41
ER
Positive	171	75.66
Negative	54	23.89
No-detection	1	0.44
PR
Positive	155	68.58
Negative	71	31.42
No-detection	0	0.00
HER2
Positive	63	27.88
Negative	154	68.14
No-detection	7	3.10
Chemotherapy
Yes	209	92.48
No	18	7.96
Trastuzumab therapy
Yes	15	6.64
No	210	92.92
Radiotherapy		0.00
Yes	78	34.51
No	148	65.49
Endocrine therapy
Yes	174	76.99
No	52	23.01
Health literacy, mean ± SD	3.36 ± 0.98

ER: Estrogen receptor; PR: Progesterone receptor; HER2: Human epidermal growth factor receptor 2; SD: Standard deviation.