Table A1.
Median No. of Days From Diagnosis to First-Course Therapy by Patient, Tumor, and Hospital Characteristics
| Characteristic | Colon Cancer (n = 14,097) |
Rectal Cancer |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Overall (n = 3,390) |
Surgery First (n = 2,147) |
Chemoradiation First (n = 1,243) |
||||||||
| Median No. of Days | IQR | ≥ 45 Days (%) | Median No. of Days | IQR | ≥ 60 Days (%) | Median No. of Days | IQR | Median No. of Days | IQR | |
| All patients | 27 | 13-44 | 24.6 | 39 | 23-61 | 26.6 | 35 | 20-61 | 44 | 29-61 |
| Age, years | ||||||||||
| < 55 | 22 | 9-39 | 19.2 | 35 | 21-55 | 22.2 | 31 | 16-55 | 39 | 27-55 |
| 55 to 64 | 27 | 14-45 | 25.8 | 41 | 26-64 | 29.3 | 37 | 21-66 | 45 | 30-63 |
| 65 to 74 | 27 | 14-44 | 24.2 | 39 | 22-60 | 25.6 | 35 | 20-60 | 45 | 28-61 |
| ≥ 75 | 27 | 12-45 | 25.3 | 37 | 21-62 | 26.7 | 35 | 19-61 | 43 | 31-63 |
| Year of diagnosis | ||||||||||
| 1998 to 2000 | 19 | 9-35 | 16.4 | 28 | 15-46 | 15.5 | 27 | 14-43 | 34 | 21-50 |
| 2001 to 2003 | 25 | 12-41 | 20.9 | 36 | 20-57 | 23.7 | 33 | 19-57 | 41 | 27-57 |
| 2004 to 2006 | 30 | 15-49 | 29.2 | 45 | 28-68 | 33.4 | 44 | 26-72 | 47 | 34-66 |
| 2007 to 2008 | 32 | 17-51 | 32.0 | 47 | 31-69 | 34.3 | 47 | 29-78 | 46 | 33-64 |
| Race | ||||||||||
| White | 27 | 13-43 | 24.0 | 39 | 23-61 | 26.5 | 35 | 20-60 | 45 | 30-62 |
| Black | 27 | 11-47 | 26.5 | 39 | 21-67 | 28.4 | 35 | 19-71 | 42 | 25-59 |
| Hispanic | 27 | 14-45 | 25.5 | 39 | 25-56 | 22.6 | 37 | 21-61 | 41 | 31-55 |
| Other | 28 | 14-48 | 28.1 | 41 | 28-65 | 32.1 | 50 | 29-67 | 39 | 22-62 |
| Married | ||||||||||
| Yes | 27 | 13-43 | 23.4 | 39 | 23-58 | 24.4 | 35 | 21-58 | 42 | 30-59 |
| No | 27 | 12-46 | 25.9 | 40 | 23-64 | 28.9 | 36 | 19-65 | 45 | 28-64 |
| AJCC stage | ||||||||||
| I | 34 | 19-53 | 33.6 | 42 | 26-68 | 31.7 | 41 | 25-67 | 48 | 33-69 |
| II | 23 | 11-41 | 20.8 | 38 | 22-59 | 24.6 | 31 | 17-56 | 42 | 28-61 |
| III | 23 | 10-40 | 20.0 | 37 | 21-58 | 24.3 | 31 | 16-55 | 43 | 30-61 |
| Grade | ||||||||||
| Low | 29 | 15-48 | 27.7 | 40 | 24-60 | 25.6 | 34 | 22-61 | 43 | 31-59 |
| Intermediate | 27 | 12-44 | 24.1 | 39 | 23-60 | 25.7 | 35 | 20-60 | 44 | 29-61 |
| High | 23 | 10-38 | 18.8 | 35 | 21-61 | 27.6 | 31 | 16-61 | 42 | 31-64 |
| Tumor histology | ||||||||||
| Adenocarcinoma | 27 | 13-44 | 24.9 | 39 | 23-61 | 26.8 | 35 | 20-62 | 44 | 29-61 |
| Mucinous | 24 | 11-40 | 19.6 | 37 | 21-56 | 22.8 | 35 | 20-52 | 41 | 26-59 |
| Other | 37 | 18-57 | 36.8 | 50 | 34-87 | 39.4 | 41 | 34-87 | 78 | 40-92 |
| Location of diagnosis and treatment | ||||||||||
| Same hospital | 26 | 12-43 | 23.8 | 38 | 22-59 | 24.7 | 34 | 20-59 | 42 | 28-59 |
| Different hospital | 31 | 15-52 | 31.9 | 47 | 28-71 | 37.1 | 44 | 24-74 | 49 | 33-69 |
| Surgical extent | ||||||||||
| Hemicolectomy | 26 | 12-44 | 24.4 | — | — | — | ||||
| Total colectomy | 28 | 13-47 | 25.8 | — | — | — | ||||
| Sigmoid colectomy | 30 | 17-47 | 26.6 | — | — | — | ||||
| Proctectomy | — | 39 | 23-61 | 26.9 | 35 | 20-61 | 45 | 31-62 | ||
| Total proctocolectomy | — | 45 | 23-71 | 32.3 | 44 | 17-78 | 46 | 31-60 | ||
| APR | — | 38 | 24-59 | 24.9 | 35 | 20-64 | 41 | 28-58 | ||
| Pelvic exenteration | — | 32 | 15-57 | 23.7 | 17 | 8-40 | 46 | 26-63 | ||
| Hospital surgical volume, patient cases per year* | ||||||||||
| < 25 | 25 | 12-41 | 20.9 | 33 | 20-53 | 21.3 | 30 | 17-50 | 40 | 28-59 |
| 25 to 50 | 27 | 13-44 | 24.8 | 39 | 24-62 | 27.1 | 35 | 20-61 | 45 | 30-62 |
| > 50 | 27 | 12-47 | 27.4 | 42 | 25-65 | 29.8 | 41 | 21-72 | 43 | 29-61 |
Abbreviations: AJCC, American Joint Commission on Cancer; APR, abdominoperineal resection; IQR, interquartile range.
*
Average annual hospital-level colorectal surgical case volume.