Table 3.
Stratification, age, payer, staging, tumor and care characteristics of breast cancer patients diagnosed between 1996 and 2000 and followed until 2011
| Sample | % | Sample | % | ||
|---|---|---|---|---|---|
| Stratification characteristics | |||||
| Places |
|
|
Poverty prevalence (%) in neighborhoods |
||
| Large urban |
2,100 |
33.3 |
< 5 |
2,100 |
33.3 |
| Smaller urban |
2,100 |
33.3 |
5–29 |
2,100 |
33.3 |
| Rural |
2,100 |
33.3 |
≥ 30 |
2,100 |
33.3 |
| Age and primary payer characteristics | |||||
| Age at diagnosis, y |
|
|
Primary payers |
|
|
| 25–44 |
904 |
14.3 |
Private insurers |
3,376 |
53.6 |
| 45–54 |
1,386 |
22.0 |
Medicare |
1,777 |
28.2 |
| 55–64 |
1,344 |
21.3 |
Medicaid |
465 |
7.4 |
| 65–74 |
1,375 |
21.8 |
Uninsured |
685 |
10.9 |
| ≥ 75 |
1,291 |
20.5 |
|
|
|
| Staging characteristics at diagnosis | |||||
| Summary stage |
|
|
Size of tumor, mm |
|
|
| Local-regional |
|
|
< 10 |
975 |
17.5 |
| Node negative |
4,035 |
66.2 |
10–19 |
2,035 |
36.6 |
| Node positive |
1,774 |
29.1 |
20–49 |
2,035 |
36.6 |
| Distally metastasized |
287 |
4.7 |
≥ 50 |
512 |
9.2 |
| Missing data |
204 |
3.2 |
Missing data |
743 |
11.8 |
| Tumor characteristics | |||||
| Histological grade |
|
|
Hormone receptor statuses |
|
|
| I, well differentiated |
1,134 |
21.1 |
Estrogen positive |
3,720 |
63.3 |
| II, moderately |
2,211 |
41.2 |
Progesterone positive |
3,189 |
54.3 |
| III/IV, poorly |
2,019 |
37.6 |
Either positive |
3,852 |
65.5 |
| Missing data |
936 |
14.9 |
Missing data |
422 |
6.7 |
| Cancer care characteristics | |||||
| Surgery received |
|
|
Wait time from diagnosis to surgery, d |
||
| Lumpectomy |
3,025 |
48.4 |
≤ 7 |
2,699 |
45.8 |
| Mastectomy |
2,876 |
46.0 |
8–30 |
2,011 |
34.1 |
| No surgery |
348 |
5.6 |
≥ 31 |
1,187 |
20.1 |
| Missing data |
51 |
0.8 |
Missing data |
4 |
0.1 |
| Received RT |
2,843 |
45.4 |
Wait time after surgery for RT, d |
||
| Missing data |
44 |
0.7 |
≤ 60a |
1190 |
42.9 |
| |
|
|
61–90 |
451 |
16.3 |
| |
|
|
91–180 |
687 |
24.8 |
| |
|
|
≥ 181 |
446 |
16.1 |
| |
|
|
Missing data |
69 |
2.4 |
| Received chemotherapy |
2,299 |
37.6 |
Wait time after surgery for chemotherapy, d |
||
| Missing data |
185 |
2.9 |
≤ 30b |
891 |
40.7 |
| |
|
|
31–60 |
839 |
38.3 |
| |
|
|
61–90 |
273 |
12.4 |
| |
|
|
≥ 91 |
188 |
8.6 |
| |
|
|
Missing data |
108 |
4.7 |
| Received HT |
2,115 |
34.7 |
Wait time after surgery for HT, d |
||
| Missing data |
205 |
3.3 |
≤ 30c |
701 |
34.7 |
| |
|
|
31–90 |
667 |
33.0 |
| |
|
|
91–180 |
408 |
20.2 |
| |
|
|
≥ 181 |
247 |
12.2 |
| Missing data | 92 | 4.3 | |||
Note. RT = radiation therapy, HT = hormone therapy.
a A few (41) of these patients received RT prior to or without surgery.
b One third (32.4%) of these patients received chemotherapy prior to or without surgery.
c One fifth (18.5%) of these patients received HT prior to or without surgery.