Table 4.
Characteristics of consenting and not consenting eligible patients
| Not consenting N (%) total N = 54 | Consenting N (%) total N = 41 | |
|---|---|---|
| Age (years) | ||
| N | 54 | 41 |
| Missing | 0 | 0 |
| Mean | 65.6 | 66.0 |
| SD | 13.81 | 11.31 |
| Median | 65.5 | 67.0 |
| Sex | ||
| Male | 39 (72.2) | 27 (65.9) |
| Female | 15 (27.8) | 14 (34.1) |
| Primary tumoura | ||
| Missing | 13 (24.1) | 9 (22.0) |
| T0 | 2 (3.7) | 1 (2.4) |
| T1 | 1 (1.9) | 3 (7.3) |
| T2 | 8 (14.8) | 12 (29.3) |
| T3 | 20 (37.0) | 11 (26.8) |
| T4 | 10 (18.5) | 5 (12.2) |
| Regional lymph nodea | ||
| Missing | 19 (35.) | 13 (31.7) |
| Nx | 1 (1.9) | 0 |
| N0 | 21 (38.9) | 22 (53.7) |
| N1 | 13 (24.1) | 6 (14.6) |
| Distant metastasisa | ||
| Missing | 48 (88.9) | 36 (87.8) |
| M0 | 5 (9.3) | 5 (12.2) |
| M1 | 1 (1.9) | 0 |
| Colon surgery | ||
| Yes | 33 (61.1) | 25 (61) |
| No | 21 (38.9) | 16 (39) |
| Rectal surgery | ||
| Yes | 19 (35.2) | 16 (39) |
| No | 35 (64.8) | 25 (61) |
| Laparoscopic surgery | ||
| Missing | 1 (1.9) | 0 (0) |
| No | 37 (68.5) | 32 (78) |
| Yes | 16 (29.6) | 9 (22) |
| Open surgery | ||
| Missing | 1 (1.9) | 0 |
| No | 21 (38.9) | 18 (43.9) |
| Yes | 32 (59.3) | 23 (56.1) |
| Temporary stoma | ||
| Missing | 3 (5.6) | 0 |
| No | 39 (72.2) | 35 (85.4) |
| Yes | 12 (22.2) | 6 (14.6) |
| Permanent stoma | ||
| Missing | 3 (5.6) | 0 (0) |
| No | 45 (79.6) | 34 (82.9) |
| Yes | 8 (14.8) | 7 (17.1) |
| Chemotherapy | ||
| Missing | 11 (20.4) | 7 (17.1) |
| No | 37 (68.5) | 27 (65.9) |
| Yes | 6 (11.1) | 7 (17.1) |
| Radiotherapy | ||
| Missing | 10 (18.5 %) | 7 (17.1) |
| No | 36 (66.7 %) | 29 (70.7) |
| Yes | 8 (14.8 %) | 5 (12.2) |
| Other treatment | ||
| Missing | 4 (7.4 %) | 3 (7.3) |
| No | 49 (90.7 %) | 35 (85.4) |
| Yes | 1 (1.9 %) | 3 (7.3) |
aTNM stands for Tumour, Node, and Metastases. This staging system describes the size of a primary tumour (T), whether any lymph nodes contain cancer cells (N), and whether the cancer has spread to another part of the body (M)