Table 1.
Liver and bile duct cancer cases by histological type and sex before and after imputation.
| Histologic subtype | All (n=2,676) | Males (n=1,947) | Females (n=729) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Before | % | After | % | Before | % | After | % | Before | % | After | % | |
| HCC | 409 | 15.4 | 1,188 | 44.4 | 329 | 16.9 | 1004 | 51.6 | 80 | 11.0 | 184 | 25.2 |
| CCA | 358 | 13.4 | 1,020 | 38.1 | 206 | 10.6 | 657 | 33.7 | 152 | 20.8 | 363 | 49.8 |
| Other† | 165 | 6..1 | 468 | 17.5 | 89 | 4.5 | 286 | 14.7 | 76 | 10.4 | 182 | 25.0 |
| Unknown‡ | 1,455 | 54.3 | - | - | 1,152 | 59.1 | - | - | 303 | 41.6 | - | - |
| Unknown¶ | 289 | 10.8 | - | - | 171 | 8.8 | - | - | 118 | 16.2 | - | - |
HCC: hepatocellular carcinoma, CCA: cholangiocarcinoma, †liver and bile duct cancer with unspecified histology, ‡liver cancer with unknown histology, and ¶malignant neoplasms of the abdomen (C76.2) and unknown primary site (C80.9).