Table 2.
Treatment regimen and colostomy information for the first year following colon cancer diagnosis in 2000–2001; Surveillance, Epidemiology, and End Results (SEER)–Medicare and Veneto–Tuscany Cancer Registry (VTCR)
| All cases (stages I–IV) | Stage I and II | Stage III | Stage IV | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SEER–Medicare (n = 13 906) | VTCR (n = 987) | SEER– Medicare (n = 8408) | VTCR (n = 475) | SEER– Medicare (n = 3532) | VTCR (n = 301) | SEER– Medicare (n = 1966) | VTCR (n = 211) | |||||||||
| No. | % | No. | % | No. | % | No. | % | No. | % | No. | % | No. | % | No. | % | |
| Patients receiving surgery within a year from diagnosis | 12 535 | 90 | 925 | 94 | 7607 | 90 | 466 | 98 | 3429 | 97 | 300 | 100 | 1499 | 76 | 159 | 75 |
| Patients receiving adjuvant chemotherapy after surgery (% of patients with surgery) | 4180 | 33 | 292 | 32 | 1229 | 16 | 86 | 18 | 2099 | 61 | 135 | 45 | 852 | 57 | 71 | 45 |
| Patients without surgery (% of total patients) | 1371 | 10 | 62 | 6 | 801 | 10 | 9 | 2 | 103 | 3 | 1 | 0 | 467 | 24 | 52 | 25 |
| Chemotherapy only | 215 | 2 | 9 | 1 | 30 | 1 | 0 | 0 | 17 | 1 | 1 | 0 | 168 | 9 | 8 | 4 |
| Not treated | 1156 | 8 | 53 | 5 | 771 | 9 | 9 | 2 | 86 | 2 | 0 | 0 | 299 | 15 | 44 | 21 |