TABLE 1.
Description of Study Population
| Overall
|
Group A
|
Group B
|
|||||
|---|---|---|---|---|---|---|---|
| N | % | N | % | N | % | ||
| Sex | Male | 94 | 53.7 | 52 | 59.8 | 42 | 47.7 |
| Female | 81 | 46.3 | 35 | 40.2 | 46 | 52.3 | |
| Center | Kaiser | 106 | 60.6 | 54 | 62.1 | 52 | 59.1 |
| Utah | 69 | 39.4 | 33 | 37.9 | 36 | 40.9 | |
| Sitea | Proximal | 78 | 47.9 | 39 | 48.8 | 39 | 47.0 |
| Distal | 85 | 52.1 | 41 | 51.3 | 44 | 53.0 | |
| TP53 | Not mutated | 98 | 56.0 | 52 | 59.8 | 46 | 52.3 |
| Mutated | 77 | 44.0 | 35 | 40.2 | 42 | 47.7 | |
| KRAS | Not mutated | 127 | 72.6 | 61 | 70.1 | 66 | 75.0 |
| Mutated | 48 | 27.4 | 26 | 29.9 | 22 | 25.0 | |
| MSI | Stable (MSS) | 143 | 81.7 | 68 | 78.2 | 75 | 85.2 |
| Unstable (MSI) | 32 | 18.3 | 19 | 21.8 | 13 | 14.8 | |
| CIMP | Low | 130 | 74.3 | 63 | 72.4 | 67 | 76.1 |
| High | 45 | 25.7 | 24 | 27.6 | 21 | 23.9 | |
| Mean | STD | Mean | STD | Mean | STD | ||
| Age | 65.2 | 10.2 | 65.3 | 10.1 | 65.1 | 10.4 | |
a
12 people are missing site information.