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. Author manuscript; available in PMC: 2024 Nov 1.
Published in final edited form as: Cancer Epidemiol Biomarkers Prev. 2024 May 1;33(5):646–653. doi: 10.1158/1055-9965.EPI-23-1125

Table 1.

Characteristics of HFGCCRI breast cancer patients in New Castle County, Delaware (2012–2020)*

Age < 50 (N=629) Age >= 50 (N=2868) All (N=3497)
Adv (N=350) Non-Adv (N=279) Total Adv (N=1189) Non-Adv (N=1679) Total
Age at Diagnosis
Mean (SD) 41.3 (6.2) 43.7 (4.9) 42.4 (5.8) 66.5 (11.1) 67.0 (10.0) 66.8 (10.5) 62.4 (13.5)
Race, n %
Black 100 (28.6) 63 (22.6) 163 (25.9) 307 (25.8) 322 (19.2) 629 (21.9) 792 (22.6)
White 225 (64.3) 196 (70.3) 421 (66.9) 842 (70.8) 1309 (78.0) 2151 (75.0) 2572 (73.5)
Other/Unknown 25 (7.1) 20 (7.2) 45 (7.2) 40 (3.4) 48 (2.9) 88 (3.1) 133 (3.8)
Ethnicity, n %
Hispanic 21 (6.0) 13 (4.7) 34 (5.4) 19 (1.6) 34 (2.0) 53 (1.8) 87 (2.5)
Non Hispanic 328 (93.7) 266 (95.3) 594 (94.4) 1164 (97.9) 1641 (97.7) 2805 (97.8) 3399 (97.2)
Unknown Ethnicity 1 (0.3) 0 (0.0) 1 (0.2) 6 (0.5) 4 (0.2) 10 (0.3) 11 (0.3)
Race & Ethnicity, n %
Black-Non Hispanic 98 (28.0) 63 (22.6) 161 (25.6) 306 (25.7) 321 (19.1) 627 (21.9) 788 (22.5)
Black-Hispanic 1 (0.3) 0 (0.0) 1 (0.2) 1 (0.1) 0 (0.0) 1 (0.0) 2 (0.1)
Black-Unknown Ethnicity 1 (0.3) 0 (0.0) 1 (0.2) 0 (0.0) 1 (0.1) 1 (0.0) 2 (0.1)
White-Non Hispanic 207 (59.1) 183 (65.6) 390 (62.0) 821 (69.0) 1275 (75.9) 2096 (73.1) 2486 (71.1)
White-Hispanic 18 (5.1) 13 (4.7) 31 (4.9) 16 (1.3) 33 (2.0) 49 (1.7) 80 (2.3)
White-Unknown Ethnicity 0 (0.0) 0 (0.0) 0 (0.0) 5 (0.4) 1 (0.1) 6 (0.2) 6 (0.2)
Other/Unknown-Non Hispanic 23 (6.6) 20 (7.2) 43 (6.8) 37 (3.1) 45 (2.7) 82 (2.9) 125 (3.6)
Other/Unknown-Hispanic 2 (0.6) 0 (0.0) 2 (0.3) 2 (0.2) 1 (0.1) 3 (0.1) 5 (0.1)
Other/Unknown-Unknown Ethnicity 0 (0.0) 0 (0.0) 0 (0.0) 1 (0.1) 2 (0.1) 3 (0.1) 3 (0.1)
Insurance, n %
Medicaid 26 (7.4) 6 (2.2) 32 (5.1) 48 (4.0) 24 (1.4) 72 (2.5) 104 (3.0)
Medicare 7 (2.0) 8 (2.9) 15 (2.4) 490 (41.2) 740 (44.1) 1230 (42.9) 1245 (35.6)
Private 304 (86.9) 245 (87.8) 549 (87.3) 545 (45.8) 730 (43.5) 1275 (44.5) 1824 (52.2)
Unknown Payer 13 (3.7) 20 (7.2) 33 (5.2) 106 (8.9) 185 (11.0) 291 (10.1) 324 (9.3)
*

HFGCCRI = Helen F. Graham Cancer Center & Research Institute; Adv = advanced stage, defined as stage ≥IIA; Non-Adv = non-advanced stage, defined as stage I