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.

#per 100,000 inhabitants

(a)Very low risk + low risk groups

(b)Excluding overly malignant diseases

Mucciarini et al. BMC Cancer 2007 7:230   doi:10.1186/1471-2407-7-230