Table 1.
Baseline demographic, clinical, and tumor characteristics by minority race
| All (N = 103) | Black (N = 41) | Hispanic (N = 50) | Othera (N = 12) | |
|---|---|---|---|---|
| Demographics | ||||
| Age at diagnosis, mean (SD) | 53.7 (12.4) | 54.5 (11.7) | 51.7 (12.1) | 59.3 (14.7) |
| Sex | ||||
| Male | 66 (64.1) | 26 (63.4) | 32 (64.0) | 8 (66.7) |
| Female | 37 (35.9) | 15 (36.6) | 18 (36.0) | 4 (33.3) |
| Preferred language | ||||
| English | 67 (65.1) | 41 (100) | 16 (32.0) | 10 (83.3) |
| Not English | 36 (35.0) | 0 (0.0) | 34 (68.0) | 2 (16.7) |
| Insurance status | ||||
| Uninsuredb | 58 (56.3) | 22 (53.7) | 29 (58.0) | 7 (58.3) |
| Medicaid | 8 (7.8) | 4 (9.8) | 3 (6.0) | 1 (8.3) |
| Medicare | 7 (6.8) | 7 (17.1) | 0 (0.0) | 0 (0.0) |
| Private | 5 (4.9) | 0 (0.0) | 4 (8.0) | 1 (8.3) |
| Unknown | 25 (24.3) | 8 (19.5) | 14 (28.0) | 3 (25.0) |
| Clinical characteristicsc | ||||
| BMI, mean (SD) (N = 97) | 26.9 (6.1) | 29.1 (7.8) | 25.8 (4.3) | 24.3 (4.2) |
| Albumin, median (IQR) (N = 100) | 3.2 (1.0) | 3.2 (1.0) | 3.2 (1.0) | 3.3 (0.7) |
| Charlson comorbidity indexd | ||||
| 0 | 70 (68.0) | 25 (61.0) | 37 (74.0) | 8 (66.7) |
| 1-2 | 28 (27.2) | 14 (34.2) | 11 (22.0) | 3 (25.0) |
| ≥3 | 5 (4.9) | 2 (4.9) | 2 (4.0) | 1 (8.3) |
| Tumor characteristicsc | ||||
| Location of primary tumor | ||||
| Right colon | 24 (23.3) | 10 (24.4) | 13 (26.0) | 1 (8.3) |
| Left colon | 55 (53.4) | 23 (56.1) | 23 (46.0) | 9 (75.0) |
| Rectum | 22 (21.4) | 7 (17.1) | 13 (26.0) | 2 (16.7) |
| Throughoute | 2 (1.9) | 1 (2.4) | 1 (2.0) | 0 (0.0) |
| CEA, median (IQR) (N = 95) | 37 (302) | 43 (404) | 34 (230) | 15 (403) |
| Pathological grade | ||||
| Well differentiated | 19 (18.5) | 7 (17.1) | 8 (16.0) | 4 (33.3) |
| Moderately differentiated | 55 (53.4) | 22 (53.7) | 29 (58.0) | 4 (33.3) |
| Poorly differentiated | 14 (13.6) | 8 (19.5) | 5 (10.0) | 1 (8.3) |
| Unknown | 15 (14.6) | 4 (9.8) | 8 (16.0) | 3 (25.0) |
| KRAS statusf | ||||
| Wild type | 49 (47.6) | 18 (43.9) | 24 (48.0) | 7 (58.3) |
| Mutated | 28 (27.2) | 13 (31.7) | 14 (28.0) | 1 (8.3) |
| Unknown | 26 (25.2) | 10 (24.4) | 12 (24.0) | 4 (33.3) |
| Mismatch repair status | ||||
| Proficient | 77 (74.8) | 33 (80.5) | 36 (72.0) | 8 (66.7) |
| Deficient | 3 (2.9) | 0 (0.0) | 2 (4.0) | 1 (8.3) |
| Unknown | 23 (22.3) | 8 (19.5) | 12 (24.0) | 3 (25.0) |
a
Includes Asian, Middle Eastern
b
Covered by the Harris Health Plan, a financial assistance program for individuals with incomes under 300% of the federal poverty level
c
Collection of baseline clinical and tumor characteristics limited to within 90 days of tissue diagnosis date
d
Excluding cancer
e
Refers to patients with multiple synchronous primary tumors
f
Prior to expanded RAS testing