Table 1.
Patient Demographic and Clinical Characteristics
| Variables | Colorectal | Others (n=2388) | P-value | ||
|---|---|---|---|---|---|
| No. of patients | % | No. of patients | % | ||
| Age at study entry (mean, SD) | 61.6 | 12.7 | 61.1 | 12.3 | 0.372 |
| Years since diagnosis (mean, SD) | 1.9 | 2.2 | 3.3 | 4.5 | <0.001 |
| Gender | <0.001 | ||||
| Female | 346 | 48.2 | 1824 | 76.4 | |
| Male | 372 | 51.8 | 23.6 | 23.6 | |
| Race | 0.184 | ||||
| White | 599 | 84.3 | 2049 | 86.9 | |
| Black | 98 | 13.8 | 266 | 11.3 | |
| Others | 14 | 2.0 | 43 | 1.8 | |
| Ethnicity | <0.001 | ||||
| Non-Hispanic | 583 | 81.2 | 1989 | 83.3 | |
| Hispanic | 93 | 13.0 | 192 | 8.0 | |
| Unknown | 42 | 5.9 | 207 | 8.7 | |
| Disease status | 0.038 | ||||
| Complete response | 243 | 34.0 | 914 | 38.5 | |
| Partial response | 28 | 3.9 | 119 | 5.0 | |
| Stable disease | 324 | 45.4 | 1012 | 42.7 | |
| Progressive disease | 119 | 16.7 | 327 | 13.8 | |
| Disease stage | <0.001 | ||||
| Non-advanced | 377 | 52.7 | 1544 | 64.9 | |
| Advanced | 339 | 47.4 | 835 | 35.1 | |
| ECOG PS | <0.001 | ||||
| 0 | 375 | 52.3 | 1380 | 58.1 | |
| 1 | 299 | 41.7 | 806 | 34.0 | |
| 2–4 | 43 | 6.0 | 188 | 7.9 | |
| Weight loss in the prior 6 months | <0.001 | ||||
| <5 | 565 | 79.4 | 2066 | 87.6 | |
| >=5% | 147 | 20.7 | 292 | 12.4 | |
| Prior systemic therapy | 0.122 | ||||
| No | 294 | 41.0 | 901 | 37.8 | |
| Yes | 424 | 59.1 | 1486 | 62.3 | |
| Prior radiation therapy | <0.001 | ||||
| No | 550 | 77.1 | 1232 | 52.1 | |
| Yes | 163 | 22.9 | 1134 | 47.9 | |
| Current therapy | 0.110 | ||||
| No | 203 | 28.3 | 604 | 25.3 | |
| Yes | 515 | 71.7 | 1784 | 74.7 | |
| Any individual counseling service | 0.655 | ||||
| No | 649 | 90.8 | 2146 | 90.2 | |
| Yes | 66 | 9.2 | 233 | 9.8 | |
| Participate in any support group | 0.162 | ||||
| No | 676 | 94.6 | 2214 | 93.1 | |
| Yes | 39 | 5.5 | 165 | 6.9 | |
| # of medicines currently taken | 0.002 | ||||
| 0–4 | 242 | 33.7 | 658 | 27.6 | |
| 5–9 | 268 | 37.3 | 940 | 39.4 | |
| >=10 | 131 | 18.3 | 556 | 23.3 | |
| Unknown | 77 | 10.7 | 234 | 9.8 | |
SD = standard deviation;ECOG PS = Eastern Cooperative Oncology Group performance status.