Table 5
Method of diagnostic confirmation and mean days alive, by type of cancer and linkage status, 2005 to 2008

Table 5
Method of diagnostic confirmation and mean days alive, by type of cancer and linkage status, 2005 to 2008
Table summary
This table displays the results of Method of diagnostic confirmation and mean days alive. The information is grouped by Type of cancer, method of diagnostic confirmation and mean days alive (appearing as row headers), No link to Discharge Abstract Database record during follow-up, Linked to at least one Discharge Abstract Database record during follow-up and p-value (appearing as column headers).
Type of cancer, method of diagnostic confirmation and mean days alive No link to Discharge Abstract Database record during follow-up Linked to at least one Discharge Abstract Database record during follow-up p-value
N % or mean SD N % or mean SD
Prostate  
Total 21,134 100   50,182 100    
Method of diagnostic confirmation (%)             <0.0001
Histology 20,115 95.2 Note ...: not applicable 48,080 95.8 Note ...: not applicable  
Cytology 20 0.1 Note ...: not applicable 64 0.1 Note ...: not applicable  
Clinical/Unknown 747 3.5 Note ...: not applicable 1,923 3.8 Note ...: not applicable  
Autopsy only/Death certificate only 252 1.2 Note ...: not applicable 115 0.2 Note ...: not applicable  
Mean days alive 10,269 741.2 111.8 24,708 716.1 146.3 <0.0001
Female breast  
Total 15,428 100 Note ...: not applicable 47,138 100 Note ...: not applicable  
Method of diagnostic confirmation (%)             <0.0001
Histology 14,396 93.3 Note ...: not applicable 46,337 98.3 Note ...: not applicable  
Cytology 120 0.8 Note ...: not applicable 215 0.5 Note ...: not applicable  
Clinical/Unknown 697 4.5 Note ...: not applicable 542 1.1 Note ...: not applicable  
Autopsy only/Death certificate only 215 1.4 Note ...: not applicable 44 0.1 Note ...: not applicable  
Mean days alive 11,124 385.1 58.8 35,565 383.9 56.1 0.0626
Colorectal  
Total 2,907 100 Note ...: not applicable 57,161 100 Note ...: not applicable  
Method of diagnostic confirmation (%)             <0.0001
Histology 2,158 74.2 Note ...: not applicable 54,414 95.2 Note ...: not applicable  
Cytology 18 0.6 Note ...: not applicable 235 0.4 Note ...: not applicable  
Clinical/Unknown 271 9.3 Note ...: not applicable 2,326 4.1 Note ...: not applicable  
Autopsy only/Death certificate only 460 15.8 Note ...: not applicable 186 0.3 Note ...: not applicable  
Mean days alive 2,124 294.8 156 42,395 345.2 110.2 <0.0001
Lung  
Total 6,451 100 Note ...: not applicable 55,812 100 Note ...: not applicable  
Method of diagnostic confirmation (%)  
Histology 2,924 45.3 Note ...: not applicable 35,131 62.9 Note ...: not applicable <0.0001
Cytology 1,646 25.5 Note ...: not applicable 12,191 21.8 Note ...: not applicable  
Clinical/Unknown 1,068 16.6 Note ...: not applicable 8,046 14.4 Note ...: not applicable  
Autopsy only/Death certificate only 813 12.6 Note ...: not applicable 444 0.8 Note ...: not applicable  
Mean days alive 4,887 264.4 156 41,686 239 144.6 <0.0001
... not applicable
N = number of registered cancers with valid health insurance number
Notes: Follow-up period for colorectal, lung and female breast cancers extended from 31 days before to 365 days after Canadian Cancer Registry date of diagnosis; for prostate cancer, follow-up extended from 31 days before to 730 days after date of diagnosis. Examination of number of days alive during follow-up was limited to cancer records that underwent vital status confirmation at Statistics Canada and had follow-up end date on or before December 31, 2008. Clinical confirmation includes laboratory tests, marker studies, direct visualization without microscopic confirmation, imaging and physical exam.
Sources: Canadian Cancer Registry data file, April 4, 2012; Discharge Abstract Database, fiscal years 2004/2005 to 2010/2011.

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