Table 1.
Descriptive analysis for present and absent staging data at the diagnosis of colon and rectal cancer, according to individual characteristics.
| Known stage | Stage missing | |||
|---|---|---|---|---|
| n | % | n | % | |
| Sex | ||||
| Female | 51.592 | 71.4 | 20.679 | 28.6 |
| Male | 53.738 | 73.3 | 19.618 | 26.7 |
| Age group | ||||
| 18–49 years old | 9.815 | 37.1 | 16.686 | 62.9 |
| 50–59 years old | 25.500 | 73.7 | 9.080 | 26.3 |
| 60–69 years old | 35.064 | 83.4 | 6.973 | 16.6 |
| 70 years or older | 34.951 | 82.9 | 7.558 | 17.1 |
| Race | ||||
| White | 25.413 | 63.5 | 14.610 | 36.5 |
| Non white | 36.556 | 69.7 | 15.854 | 30.3 |
| No Information | 43.361 | 81.5 | 9.833 | 18.5 |
| Primary tumor location | ||||
| Right | 22.656 | 74.3 | 7.830 | 25.7 |
| Left | 82.674 | 85.9 | 32.467 | 14.1 |
| Education | ||||
| None/Incomplete fundamental education | 42.741 | 76.5 | 13.083 | 23.5 |
| Fundamental education | 17.661 | 74.8 | 5.928 | 25.2 |
| Secondary education/ incomplete | 15.703 | 68.1 | 7.354 | 31.9 |
| Undergraduate education | 6.905 | 72.0 | 2.681 | 28.0 |
| No information | 22.320 | 66.5 | 11.251 | 33.5 |
| Marital status | ||||
| Unmarried | 23.069 | 66.4 | 11.653 | 33.6 |
| Married | 33.400 | 67.2 | 16.327 | 32.8 |
| No information | 48.861 | 79.8 | 12.317 | 20.2 |
| Source of referral | ||||
| Public (SUS) | 44.829 | 65.6 | 23.505 | 34.4 |
| Private/health insurance | 9.779 | 67.8 | 4.644 | 32.2 |
| No information | 50.722 | 80.6 | 12.148 | 19.4 |
Brazil, by place residence (n = 145,627).