Table 1.
Characteristics of Colon Cancer Patients Eighty Years of Age and Older With and Without Colectomy
| Colectomy N=25358 |
No Colectomy N=6216 |
P value | |
|---|---|---|---|
| Demographics | |||
| Age at diagnosis, mean (SD) | 85.0 (4.0) | 86.0 (4.6) | <0.005 |
| Male | 36.0% | 38.3% | 0.001 |
| Race | |||
| White | 88.7% | 83.8% | <0.005 |
| Black | 5.1% | 9.3% | |
| Other | 6.2% | 7.0% | |
| Marital Status | |||
| Married | 36.5% | 31.6% | <0.005 |
| Widowed | 50.4% | 51.2% | |
| Single, separated, divorced | 9.7% | 11.5% | |
| Cancer Stage | |||
| Localized | 46.4% | 46.7% | <0.005 |
| Regional | 52.3% | 23.2% | |
| Unstaged | 1.3% | 30.1% | |
| Health Factors | |||
| # of hospital admissions in prior year, mean (SD) | 1.49 (0.90) | 1.70 (1.2) | <0.0005 |
| # or ER visits in prior year, mean (SD) | 3.62 (4.1) | 3.53 (4.1) | 0.280 |
| Home Oxygen | 2.4% | 3.7% | <0.005 |
| Mobility Assist Device | |||
| No assessment | 91.7% | 87.2% | <0.005 |
| Crutch/cane | 4.6% | 6.1% | |
| Wheelchair | 3.7% | 6.8% | |
| Frail | 6.8% | 14.6% | <0.005 |
| Comorbidities | |||
| Dementia | 1.8% | 6.1% | <0.005 |
| Congestive heart failure | 38.6% | 42.8% | <0.005 |
| Valvular disease | 14.2% | 13.7% | <0.005 |
| Hypertension | 75.1% | 71.6% | <0.005 |
| Peripheral Vascular Disease | 31.0% | 33.3% | <0.005 |
| Paralysis | 3.7% | 5.1% | <0.005 |
| Other neurologic disorders | 14.2% | 16.8% | <0.005 |
| Chronic Pulmonary Disease | 25.6% | 26.9% | <0.005 |
| Diabetes (uncomplicated) | 15.1% | 15.4% | <0.005 |
| Diabetes (with complications) | 8.7% | 9.9% | <0.005 |
| Renal failure | 5.7% | 6.2% | <0.005 |
| Weight loss | 6.7% | 7.1% | <0.005 |