|
Characteristics
|
Number of patients
|
Frequency, %
|
|---|
|
Age, mean ± SD, year
|
52.1 ± 8.8
| |
|
Education level
|
|
High school or below
|
868
|
85.2
|
|
Collage or above
|
151
|
14.8
|
|
Marital status
|
|
Married or cohabitating
|
728
|
71.4
|
|
Unmarried or divorced or widowed
|
291
|
28.6
|
|
Household income (HKD/month)
|
|
< 15,000
|
463
|
45.4
|
|
15,000-30,000
|
326
|
32.0
|
|
30,000-50,000
|
151
|
14.8
|
|
≥ 50,000
|
79
|
7.8
|
|
Employment status
|
|
Full time
|
378
|
37.1
|
|
Part time
|
129
|
12.7
|
|
Not working
|
512
|
50.2
|
|
Menopausal status
|
|
Pre-menopausal
|
539
|
52.9
|
|
Post-menopausal
|
480
|
47.1
|
|
BMI at diagnosis, kg/m2
|
|
Underweight (< 18.5)
|
37
|
3.6
|
|
Normal (18.5–22.9)
|
488
|
47.9
|
|
Overweight (23–24.9)
|
209
|
20.5
|
|
Obese (≥25)
|
285
|
28.0
|
|
Number of comorbidities
|
|
None
|
629
|
61.7
|
|
1
|
259
|
25.4
|
|
2
|
101
|
9.9
|
|
≥ 3
|
30
|
2.9
|
|
AJCC stage at diagnosis
|
|
0-I
|
375
|
36.9
|
|
II
|
471
|
46.2
|
|
III
|
169
|
16.6
|
|
Missing
|
4
|
0.4
|
|
Histology
|
|
IDC
|
858
|
84.2
|
|
ILC
|
31
|
3.0
|
|
DCIS
|
56
|
5.5
|
|
Others
|
74
|
7.3
|
|
ER status
|
|
Positive
|
763
|
74.9
|
|
Negative
|
233
|
22.9
|
|
Missing
|
23
|
2.3
|
|
PR status
|
|
Positive
|
598
|
58.7
|
|
Negative
|
395
|
38.8
|
|
Missing
|
26
|
2.6
|
|
HER 2 status
|
|
Positive
|
274
|
26.9
|
|
Negative
|
686
|
67.3
|
|
Missing
|
59
|
5.8
|
|
Surgery
|
|
Mastectomy
|
628
|
61.6
|
|
Conservation
|
391
|
38.4
|
|
Chemotherapy
|
|
Yes
|
774
|
76.0
|
|
No
|
245
|
24.0
|
|
Radiotherapy
|
|
Yes
|
721
|
70.8
|
|
No
|
298
|
29.2
|
|
Endocrine therapy
|
|
Yes
|
777
|
76.3
|
|
No
|
242
|
23.7
|
|
Smoking status
|
|
Yes
|
11
|
1.1
|
|
No
|
1008
|
98.9
|
|
Drinking status
|
|
Yes
|
15
|
1.5
|
|
No
|
1004
|
98.5
|
- Abbreviations: SD standard deviation, HKD Hong Kong dollars, BMI body mass index, AJCC American joint Committee on cancer, IDC invasive ductal carcinoma, ILC invasive lobular carcinoma, DCIS ductal carcinoma in situ, ER estrogen receptor, PR progesterone receptor, HER 2 human epidermal-growth-factor receptor 2
