This option presents tables (reformatted, in PDF format) showing the percentage of cases histologically verified (HV%), the percentage of cases registered from a death certificate only (DCO%), by site and sex, for each registry supplying the necessary data, and the ratio (expressed as a percentage) of the number of deaths from a particular cancer to the number of cases registered during the same period (MI%).
Key to conventions and symbols used in the tables:
For HV and DCO| 99 | 99% or more |
| Blank | HV or DCO not included for this site |
| 0 | Cases registered but no histologically verified/reported on the basis of a deaths certificate only |
| - | no cases registered, although data for this site were submitted. |
For MI| 999 | 999% or more |
| Blank | MI not included for this site |
| 0 | Cases registered but no death |
| - | no cases and no deaths registered, although data on both cases and deaths collected for this site |
| ncr | no cases but one or more deaths. |
Indices of data quality (Volume V)