Table 6
Agreement on sex and date of birth between Discharge Abstract Database (DAD) and Canadian Cancer Registry (CCR) for DAD records linking during follow-up, by type of cancer and province (excluding Quebec), 2005 to 2008
| Type of cancer and linkage characteristics | Newfoundland and Labrador | Prince Edward Island | Nova Scotia | New Brunswick | Ontario | Manitoba | Saskatchewan | Alberta | British Columbia |
|---|---|---|---|---|---|---|---|---|---|
| Prostate | |||||||||
| Number of linked DAD records | 4,032 | 1,003 | 7,727 | 5,779 | 35,771 | 4,403 | 7,789 | 9,359 | 22,391 |
| % agreeing with CCR sex | 100.0 | 99.9 | 100.0 | 99.9 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| % agreeing with CCR date of birth | 98.6 | 95.8 | 98.9 | 98.7 | 99.6 | 97.3 | 98.2 | 98.8 | 99.0 |
| Female breast | |||||||||
| Number of linked DAD records | 3,085 | 747 | 6,613 | 4,312 | 25,303 | 6,241 | 6,565 | 9,641 | 21,514 |
| % agreeing with CCR sex | 100.0 | 99.9 | 99.9 | 99.8 | 100.0 | 100.0 | 100.0 | 100.0 | 99.9 |
| % agreeing with CCR date of birth | 97.8 | 98.9 | 99.0 | 99.4 | 99.7 | 98.7 | 99.1 | 99.5 | 99.3 |
| Colorectal | |||||||||
| Number of linked DAD records | 7,800 | 1,240 | 9,579 | 4,631 | 49,317 | 9,752 | 8,940 | 12,478 | 29,306 |
| % agreeing with CCR sex | 99.9 | 99.9 | 100.0 | 99.3 | 100.0 | 99.9 | 100.0 | 100.0 | 99.8 |
| % agreeing with CCR date of birth | 98.6 | 97.2 | 99.0 | 99.4 | 99.7 | 98.1 | 97.6 | 99.3 | 99.1 |
| Lung | |||||||||
| Number of linked DAD records | 3,455 | 1,290 | 7,656 | 7,351 | 50,168 | 7,391 | 7,374 | 12,191 | 24,416 |
| % agreeing with CCR sex | 99.7 | 99.8 | 99.9 | 99.9 | 100.0 | 99.9 | 100.0 | 100.0 | 99.8 |
| % agreeing with CCR date of birth | 97.5 | 96.4 | 98.8 | 98.8 | 99.6 | 97.2 | 97.6 | 99.0 | 99.0 |
|
Note: Follow-up period for colorectal, lung and female breast cancers extended from 31 days before to 365 days after CCR date of diagnosis; for prostate cancer, follow-up extended from 31 days before to 730 days after date of diagnosis. Source: Canadian Cancer Registry data file, April 4, 2012; Discharge Abstract Database, fiscal years 2004/2005 to 2010/2011. |
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