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 | Â | Â |
 Yes | 33 (61.1) | 25 (61) |
 No | 21 (38.9) | 16 (39) |
Rectal surgery | Â | Â |
 Yes | 19 (35.2) | 16 (39) |
 No | 35 (64.8) | 25 (61) |
Laparoscopic surgery | Â | Â |
 Missing | 1 (1.9) | 0 (0) |
 No | 37 (68.5) | 32 (78) |
 Yes | 16 (29.6) | 9 (22) |
Open surgery | Â | Â |
 Missing | 1 (1.9) | 0 |
 No | 21 (38.9) | 18 (43.9) |
 Yes | 32 (59.3) | 23 (56.1) |
Temporary stoma | Â | Â |
 Missing | 3 (5.6) | 0 |
 No | 39 (72.2) | 35 (85.4) |
 Yes | 12 (22.2) | 6 (14.6) |
Permanent stoma | Â | Â |
 Missing | 3 (5.6) | 0 (0) |
 No | 45 (79.6) | 34 (82.9) |
 Yes | 8 (14.8) | 7 (17.1) |
Chemotherapy | Â | Â |
 Missing | 11 (20.4) | 7 (17.1) |
 No | 37 (68.5) | 27 (65.9) |
 Yes | 6 (11.1) | 7 (17.1) |
Radiotherapy | Â | Â |
 Missing | 10 (18.5 %) | 7 (17.1) |
 No | 36 (66.7 %) | 29 (70.7) |
 Yes | 8 (14.8 %) | 5 (12.2) |
Other treatment | Â | Â |
 Missing | 4 (7.4 %) | 3 (7.3) |
 No | 49 (90.7 %) | 35 (85.4) |
 Yes | 1 (1.9 %) | 3 (7.3) |