Table 1.
Characteristics of Breast Cancer Patients by Rural/Urban Residence at Time of Diagnosis (N = 132,372)
|
Characteristic |
Total N = 132,372 (%) |
Large urban n = 81,233 (%) |
Small urban n = 37,016 (%) |
Rural n = 14,123 (%) |
Test statistics |
p |
|---|---|---|---|---|---|---|
| Age at diagnosis (years)* | 132,372 (100) | 81,233 (61) | 37,016 (28) | 14,123 (11) | 0.023 | <0.001 |
| Tumor grade* | −0.007 | 0.005 | ||||
| Well-differentiated | 33,036 (25) | 19,755 (24) | 9,674 (26) | 3,607 (26) | ||
| Moderately differentiated | 59,975 (45) | 37,338 (46) | 16,535 (45) | 6,102 (43) | ||
| Poorly differentiated/undifferentiated | 39,361 (30) | 24,140 (30) | 10,807 (29) | 4,414 (31) | ||
| Stage-at-diagnosisa | 0.005 | 0.074 | ||||
| Local | 91,783 (69) | 56,392 (69) | 25,758 (70) | 9,633 (68) | ||
| Regional | 34,833 (26) | 21,397 (26) | 9,644 (26) | 3,792 (27) | ||
| Distant | 5,756 (4.35) | 3,444 (4.24) | 1,614 (4.36) | 698 (4.94) | ||
| Receptor status | 0.001 | 0.721 | ||||
| Luminal B | 13,875 (11) | 8,433 (11) | 3,910 (11) | 1,532 (11) | ||
| HER2 enriched | 5,748 (4) | 3,460 (4) | 1,628 (4) | 660 (5) | ||
| Luminal A | 99,168 (75) | 61,179 (75) | 27,647 (75) | 10,342 (73) | ||
| Triple Negative | 13,581 (10) | 8,161 (10) | 3,831 (10) | 1,589 (11) | ||
| Insurance status* | −0.025 | <0.001 | ||||
| Medicaid | 14,019 (11) | 8,219 (10) | 3,978 (11) | 1,822 (13) | ||
| Medicare or private/other insurance | 115,308 (87) | 71,247 (88) | 32,154 (87) | 11,907 (84) | ||
| Uninsured | 3,045 (2) | 1,767 (2) | 884 (2) | 394 (3) | ||
| Race* | −0.101 | <0.001 | ||||
| White (1) | 100,872 (76) | 59,271 (73) | 29,173 (79) | 12,428 (88) | ||
| Hispanic (3) | 15,456 (12) | 10,922 (13) | 4,004 (11) | 530 (4) | ||
| Black (2) | 16,044 (12) | 11,040 (14) | 3,839 (10) | 1,165 (8) |
*
Statistically significant p < 0.05.
a
Dependent variable.