Table 1.
Characteristics of sample according to response to follow-up survey.
| n (%) | Respondents (n = 506) |
Non- Respondents (n = 418) |
Died (n = 292) |
p-Value |
|---|---|---|---|---|
| Mean age at initial survey ± SD | 67.8 ± 8.4 | 71.2 ± 8.5 | 73.7 ± 7.9 | <0.0001 |
| Time to initial survey since diagnosis ± SD | 8.4 ± 2.5 | 8.5 ± 2.5 | 8.8 ± 2.5 | 0.1 |
| Sex | <0.0001 | |||
| Female | 207 (41) | 208 (50) | 89 (30) | |
| Male | 300 (59) | 210 (50) | 203 (70) | |
| Tumor type | 0.0009 | |||
| Colon | 280 (55) | 275 (66) | 157 (54) | |
| Rectal | 227 (45) | 143 834) | 135 (46) | |
| Tumor stage | 0.03 | |||
| I | 123 (24) | 103 (25) | 54 (18) | |
| II | 145 (29) | 113 (27) | 80 (27) | |
| III | 134 (26) | 94 (22) | 83 (28) | |
| IV | 16 (3) | 18 (4) | 22 (8) | |
| Missing | 89 (18) | 90 (22) | 53 (18) | |
| Surgery | 0.003 | |||
| Yes | 408 (80) | 293 (70) | 207 (71) | |
| No | 90 (18) | 105 (25) | 75 (26) | |
| Missing | 9 (2) | 16 (5) | 10 (3) | |
| Chemotherapy | 0.01 | |||
| Yes | 235 (46) | 163 (39) | 146 (50) | |
| No | 269 (51) | 239 (57) | 137 (47) | |
| Missing | 13 (3) | 16 (4) | 9 (3) | |
| Radiotherapy | 0.01 | |||
| Yes | 117 (23) | 68 (16) | 66 (23) | |
| No | 360 (71) | 321 (77) | 193 (66) | |
| Missing | 30 (6) | 29 (7) | 33 (11) | |
| Immuno-/antibody therapy | 0.6 | |||
| Yes | 19 (4) | 12 (3) | 12 (4) | |
| No | 451 (89) | 368 (88) | 249 (85) | |
| Missing | 37 (7) | 38 (9) | 31 (11) | |
| Permanent stoma | <0.0001 | |||
| Yes | 55 (11) | 35 (8) | 59 (20) | |
| No | 452 (89) | 382 (92) | 233 (80) | |
| Missing | 0 | 1 (0.2) | 0 |
Percentages may not add up to 100% due to rounding up. Statistically significant p-values are highlighted in bold (p < 0.05).