Table 1 Characteristics of gastrointestinal stromal tumors patients by three time periods, Taiwan, 1998-2008
Age, years | Time period | |||||
|---|---|---|---|---|---|---|
1998-2001 N = 655 | 2002-2004 N = 846 | 2005-2008 N = 1485 | ||||
Male N = 376 | Female N = 279 | Male N = 464 | Female N = 382 | Male N = 801 | Female N = 684 | |
<50 | 100 (26.6%) | 78 (28.0%) | 115 (24.8%) | 86 (22.5%) | 159 (19.9%) | 129 (18.9%) |
50 to <60 | 70 (18.6%) | 50 (17.9%) | 89 (19.2%) | 91 (23.8%) | 191 (23.9%) | 162 (23.7%) |
60 to <70 | 108 (27.1%) | 74 (26.5%) | 116 (25%) | 96 (25.1%) | 200 (25.0%) | 184 (26.9%) |
70 to <80 | 78 (20.7%) | 68 (24.4%) | 118 (25.4%) | 86 (22.5%) | 182 (22.7%) | 157 (23.0%) |
>80 | 26 (6.9%) | 9 (3.2%) | 26 (5.6%) | 23 (6.0%) | 69 (8.6%) | 52 (7.6%) |
Median (min/max) | 62 (26/87) | 62 (23/88) | 63 (19/89) | 62 (18/91) | 64 (19/96) | 64 (22/94) |
Location | ||||||
Stomach | 199 (52.9%) | 164 (58.8%) | 217 (46.8%) | 196 (51.3%) | 395 (49.3%) | 375 (54.8%) |
Small intestine | 143 (38.0%) | 94 (33.7%) | 177 (38.2%) | 125 (32.7%) | 289 (36.1%) | 213 (31.1%) |
Colon/rectum | 30 (8.0%) | 20 (7.2%) | 39 (8.4%) | 34 (8.9%) | 45 (5.6%) | 43 (6.3%) |
Esophagus/othersa | 4 (1.1%) | 1 (0.4%) | 31 (6.7%) | 27 (7.1%) | 72 (9.0%) | 53 (7.8%) |