Table 1b.
Patient Demographic and Clinical Characteristics of Young White and Black Subjects
| All patients n=207,823 |
Young white n=12,988 |
Young black n=2,255 | p-value | |
|---|---|---|---|---|
| Age, (years; mean±SD) | 65.6±13.7 | 38.8±5.8 | 38.7±5.8 | <0.001 |
| Age, dichotomized (n, %) | <0.001 | |||
| ≤45 years | 15,243 (7.3) | 12,988 | 2,255 | |
| >45 years | 192,580 (92.7) | |||
| Sex (n, %) | <0.001 | |||
| Male | 109,114 (52.5) | 6,824 (52.5) | 1,057 (46.9) | |
| Female | 98,709 (47.5) | 6,164 (47.5) | 1,198 (53.1) | |
| Race (n,%) | <0.001 | |||
| White | 183,118 (88.1) | 12,988 | ||
| Black | 24,705 (11.9) | 2,255 | ||
| Charlson-Deyo Score (n, %) | <0.001 | |||
| 0 | 147,535 (71.0) | 11,631 (89.6) | 1,948 (86.4) | |
| 1 | 42,317 (20.4) | 1,159 (8.9) | 245 (10.9) | |
| 2 | 11,967 (5.8) | 126 (1.0) | 45 (2.0) | |
| 3 | 6,004 (2.9) | 72 (0.6) | 17 (0.8) | |
| CDCC Present (n, %) | <0.001 | |||
| No comorbidity | 147,535 (71.0) | 11,631 (89.6) | 1,948 (86.4) | |
| Comorbidities present | 60,288 (29.0) | 1,357 (10.5) | 307 (13.6) | |
| Median Income (n, %) | <0.001 | |||
| Lowest quartile | 37,556 (18.0) | 1,811 (13.9) | 817 (36.2) | |
| Second quartile | 50,439 (24.3) | 2,975 (22.9) | 504 (22.4) | |
| Third quartile | 55,496 (26.7) | 3,543 (27.3) | 500 (22.2) | |
| Highest quartile | 64,332 (31.0) | 4,659 (35.9) | 434 (19.3) | |
| No High School Diploma (n, %) | <0.001 | |||
| Highest quartile (>21%) | 35,401 (17.0) | 2,094 (16.1) | 700 (31.0) | |
| Second quartile (13-21%) | 55,974 (26.9) | 3,194 (24.6) | 733 (32.5) | |
| Third quartile (7-13%) | 68,716 (33.1) | 4,279 (33.0) | 569 (25.2) | |
| Lowest quartile (<7%) | 47,732 (23.0) | 3,421 (26.3) | 253 (11.2) | |
| Clinical stage (n, %) | <0.001 | |||
| 0 | 9,249 (4.5) | 359 (2.8) | 82 (3.6) | |
| 1 | 66,752 (32.1) | 3,211 (24.8) | 551 (24.4) | |
| 2 | 50,809 (24.4) | 2,640 (20.3) | 394 (17.5) | |
| 3 | 40,913 (19.7) | 3,553 (27.4) | 540 (24.0) | |
| 4 | 40,100 (19.3) | 3,215 (24.8) | 688 (30.5) | |
| Lymph vascular invasion (n, %) | <0.001 | |||
| Not present | 145,644 (70.1) | 8,456 (65.1) | 1,414 (62.7) | |
| Present / identified | 62,179 (29.9) | 4,532 (34.9) | 841 (37.3) | |
| Grade/Differentiation (n, %) | <0.001 | |||
| Well differentiated | 26,794 (12.9) | 1,833 (14.1) | 363 (16.1) | |
| Moderately differentiated | 141,176 (67.9) | 8,642 (66.5) | 1,416 (62.8) | |
| Poorly differentiated | 33,968 (16.3) | 2,143 (16.5) | 408 (18.1) | |
| Undifferentiated | 5,885 (2.8) | 370 (2.9) | 68 (3.0) |