Incidence
1789 cases were diagnosed with Sarcoma between 1 January 1987 and 31 December 1996. Incidence by gender and diagnosis year for the last 5 years of this ten-year interval is presented in the table.
|
Diagnosis Year |
1992 |
1993 |
1994 |
1995 |
1996 |
1992-1996 |
1987-1996 |
|
Females |
88 |
94 |
78 |
132 |
118 |
510 |
930 |
|
Males |
80 |
101 |
88 |
86 |
104 |
459 |
859 |
|
Total |
168 |
195 |
166 |
218 |
222 |
969 |
1789 |
About 37.9% of all Sarcoma incidence is due to Soft tissue sarcoma (678 cases during the ten years), 14.2% is due to Sarcoma of Bone (254 cases), remaining 47.9% are found in other tissues.
Age
18 infants under 1 year of age were diagnosed in BC during this ten years, the oldest diagnosed person was 100 years old. Three quarters of diagnosed patients were 35 year old and older, median age at diagnosis was 57 years and the mean was 52.4. Age distribution is presented on the histogram below:
Survival
The plot indicates that the majority of patients diagnosed with Sarcoma died from causes other than Sarcoma (285 cases of death from Sarcoma), mostly from other cancers (373 cases); few died from non-cancer causes (70 cases). Median overall survival for these patients is 4.93 years, 95% confidence interval is from 4.4 to 5.94 years.
Estimated Probability of Surviving up to 1, 3, 5 and 7 Years after Diagnosis with Sarcoma
|
Estimated Probability |
Years After Diagnosis |
|
of Surviving |
1 year |
3 years |
5 years |
7 years |
|
Sarcoma (only) |
91% |
82% |
77% |
76% |
|
Overall Survival (all causes) |
77% |
59% |
50% |
44% |