Table 4 Incidence and outcome of GISTs from different population-based studies
Italy | Sweden [10] | USA [11] | Iceland [12] | Spain [13] | |
|---|---|---|---|---|---|
Covered population | |||||
Area | Modena | Western Sweden | 12 SEER registries | Iceland | Girona |
Population | 633,993 | 1.3–1.6 million | 38.7 million | 300,000 | 553,661 |
Period | 1991–2004 | 1983–2000 | 1992–2000 | 1990–2003 | 1994–2001 |
Incidence | |||||
Number of cases | 124 | 288 | 1,458 | 114 | 46 |
Crude rate# | 1.42 | 1.45 | n.a. | n.a. | n.a. |
World ASR# | 0.66 | n.a. | n.a. | 1.1 | 0.65 |
US 2000 ASR# | 0.98 | n.a. | 0.68 | n.a. | n.a. |
5-years relative survival (%) | |||||
All cases | 65.8 | n.a. | 45 | n.a. | 74.7 |
Very low risk | 100 | n.a. | n.a. | n.a. | 94.9(a) |
Low risk | 90.1 | n.a. | n.a. | n.a. | |
Intermediate risk | 93.1 | n.a. | n.a. | n.a. | 100 |
High risk | 61.5(b) | n.a. | n.a. | n.a. | 21.4 |
Overly malignant | 12.4 | n.a. | n.a. | n.a. | n.a. |