Table 2 Distribution of gastrointestinal stromal tumors by age groups and locations, Taiwan, 1998–2008
Location | 1998-2001 | |||
|---|---|---|---|---|
Age (years) | ||||
<50 N = 178 | 50 to < 60 N = 120 | 60 to < 70 N = 176 | ≥ 70 N = 181 | |
Stomach | 86 (48.3%) | 68 (56.7%) | 95 (54.0%) | 114 (63.0%) |
Small intestine | 78 (43.8%) | 41 (43.8%) | 66 (37.5%) | 52 (28.7%) |
Colon/rectum | 12 (6.7%) | 11 (9.2%) | 15 (8.5%) | 12 (6.6%) |
Esophagus/othersa | 2 (1.1%) | 0 (0.0%) | 0 (0.0%) | 3 (1.7%) |
2002-2008 | ||||
Location | <50 N = 489 | 50 to < 60 N = 533 | 60 to < 70 N = 596 | ≥ 70 N = 713 |
Stomach | 210 (42.9%) | 266 (45.0%) | 320 (53.7%) | 387 (54.3%) |
Small intestine | 206 (42.1%) | 182 (34.2%) | 192 (32.2%) | 224 (31.4%) |
Colon/rectum | 36 (7.4%) | 45 (8.4%) | 40 (6.7%) | 40 (5.6%) |
Esophagus/othersa | 37 (7.6%) | 40 (7.5%) | 44 (7.4%) | 62 (8.7%) |