Table 2.
Baseline characteristics among patients whose specimens were available for genotyping
| Patients with CD133 gene expression data (n=54) | All patients (n=91) | |||
|---|---|---|---|---|
| Frequency | % | Frequency | % | |
| Median age, yr (range) | 57 (30-81) | 56 (28-81) | ||
| Sex | ||||
| Female | 26 | 48 | 37 | 41 |
| Male | 28 | 52 | 54 | 59 |
| Race | ||||
| Asian | 12 | 22 | 21 | 23 |
| Black | 1 | 2 | 5 | 5 |
| Caucasian | 25 | 46 | 37 | 41 |
| Hispanic | 16 | 30 | 28 | 31 |
| Primary site | ||||
| Colon | 39 | 75 | 62 | 70 |
| Rectal | 12 | 23 | 24 | 27 |
| Recto-sigmoid | 1 | 2 | 3 | 3 |
| Differentiation | ||||
| Moderate | 42 | 82 | 66 | 76 |
| Poor | 9 | 18 | 21 | 24 |
| No. of metastatic sites | ||||
| 1 | 32 | 59 | 51 | 56 |
| ≥2 | 22 | 41 | 40 | 44 |