Table 2. Incidence of thrombocytosis in each stage of colorectal cancer.
| Number of
cases with thrombocytosis |
Number of
cases without thrombocytosis |
Total
number of cases |
% of
thrombocytosis |
|
|---|---|---|---|---|
| Stage 0 | 0 | 5 | 5 | 0.0 |
| Stage I | 0 | 57 | 57 | 0.0 |
| Stage II | 5 | 73 | 78 | 6.4 |
| Stage III | 12 | 86 | 98 | 12.2 |
| Stage IV | 7 | 27 | 34 | 20.6 |
| Stage X
(unclassified) |
1 | 37 | 38 | 2.6 |
| Overall | 25 | 285 | 310 | 8.1 |
| *Stage IV and III
combined |
19 | 113 | 132 | 14.4 |
Note: There are 403 cases in our data pool. 310 cases were diagnosed as colon cancer among the 321 cases with available platelet counts (82 cases without platelet counts). 11 non-colorectal cancer cases including 5 cases labeled as “appendix” and 6 cases labeled as “not colon cancer” were taken out of the pool.