Table 3.
Descriptive statistics for patient and clinicopathologic characteristics in the analysis of MMP2 and Plk4 levels in tumors and matched normal tissue. SD = standard deviation; WI = weighted index
| Variable | Level | Number | Percentage |
|---|---|---|---|
| Race | African American | 23 | 42.6 |
| European American | 31 | 57.4 | |
| Tumor Size (cm) | ≤2 | 8 | 14.8 |
| >2 | 46 | 85.2 | |
| Tumor Size (cm) | Median | 3.0 | |
| Mean | 3.6 | ||
| Maximum | 12.0 | ||
| Minimum | 0.3 | ||
| SD | 2.0 | ||
| Well | 10 | 18.5 | |
| Differentiation | Moderate | 31 | 57.4 |
| Poor | 13 | 24.07 | |
| MMP2 WI | Median | 6.0 | |
| Mean | 4.2 | ||
| Maximum | 9 | ||
| Minimum | 0 | ||
| SD | 3.1 | ||
| Plk4 WI | Median | 2.0 | |
| Mean | 2.1 | ||
| Maximum | 9.0 | ||
| Minimum | 0 | ||
| SD | 2.2 | ||
| MMP2 WI | Low (<2) | 13 | 24.1 |
| Moderate (2–6) | 34 | 63.0 | |
| High (>6) | 7 | 13.0 | |
| Plk4 WI | Low (<2) | 25 | 46.3 |
| Moderate (2–6) | 27 | 50.0 | |
| High (>6) | 2 | 3.7 | |
| Perinuerual invasion | Yes | 43 | 79.6 |
| No | 10 | 18.5 | |
| Lymphovascular invasion | Yes | 26 | 48.1 |
| No | 28 | 51.9 | |
| Age at diagnosis | Median | 64.0 | |
| Mean | 62.1 | ||
| Maximum | 84.0 | ||
| Minimum | 35.0 | ||
| SD | 9.9 | ||
| Duodenal invasion | Yes | 20 | 37.0 |
| No | 34 | 63.0 | |
| Soft tissue involvement | Yes | 37 | 68.5 |
| No | 17 | 31.5 | |
| 1 | 2 | 3.07 | |
| 2 | 8 | 14.8 | |
| Stage T | 3 | 38 | 70.7 |
| 4 | 3 | 5.05 | |
| Missing | 3 | 5.05 | |
| 1 | 30 | 55.5 | |
| Stage N | 0 | 21 | 38.8 |
| Missing | 3 | 5.05 | |
| 1 | 48 | 88.8 | |
| Stage M | 0 | 6 | 11.1 |