Table 1.
Patient characteristics.
| Variable | Total (N = 18) | Level 1 (N = 6) | Level 2 (N = 6) | Level 3 (N = 6) |
|---|---|---|---|---|
| Age | ||||
| Median | 58 | 54 | 60.5 | 57.5 |
| Range | [34–77] | [42–66] | [47–77] | [34–71] |
| Sex | ||||
| Male | 15 | 6 | 4 | 5 |
| Female | 3 | 0 | 2 | 1 |
| ECOG PS | ||||
| 0 | 17 | 5 | 6 | 6 |
| 1 | 1 | 1 | 0 | 0 |
| Tumor site | ||||
| Rab | 5 | 1 | 4 | 0 |
| Rba | 4 | 2 | 0 | 2 |
| Rb | 9 | 3 | 2 | 4 |
| Stage | ||||
| II A | 7 | 4 | 0 | 3 |
| III B | 10 | 2 | 5 | 3 |
| IIIC | 1 | 0 | 1 | 0 |
Abbreviations: Ra denotes the rectum above the peritoneal reflection; Rb, the rectum below the peritoneal reflection; Rab, the rectum above and below peritoneal reflection; and Rba, the rectum below and above peritoneal reflection.