Research Article

[Retracted] Might Patients with Metastatic Gastrointestinal Stromal Tumors Benefit from Operative Management? A Population-Based Retrospective Study

Table 1

Characteristics of patients with metastatic and non-metastatic GISTs.

CharacteristicNumber of patients (%) value
Metastatic GIST
()
Non-metastatic GIST
()

Age at diagnosis, y0.720
 <4091 (7.4)356 (7.1)
 ≥401147 (92.6)4688 (92.9)
Gender<0.001
 Male717 (57.9)2480 (49.2)
 Female521 (42.1)2564 (50.8)
Race0.036
 White871 (70.4)3394 (67.3)
 Black216 (17.4)891 (17.7)
 Other146 (11.8)713 (14.1)
 Unknown5 (0.4)46 (0.9)
Marital statusa0.075
 Married706 (57.0)2919 (57.9)
 Unmarried487 (39.3)1874 (37.2)
 Unknown45 (3.6)251 (5.0)
Tumor site<0.001
 Stomach585 (47.3)3101 (61.5)
 Small intestine394 (31.8)1374 (27.2)
 Other digestive organs176 (14.2)377 (7.5)
 Non-digestive organs83 (6.7)192 (3.8)
Tumor size, cm<0.001
 <2.041 (3.3)460 (9.1)
 2.0-4.9142 (11.5)1482 (29.4)
 5.0-9.9364 (29.4)1810 (35.9)
 ≥10691 (55.8)1292 (25.6)
Grade<0.001
 Poor differentiated or undifferentiated221 (17.9)470 (9.3)
 Well or moderately differentiated136 (11.0)1477 (29.3)
 Unknown881 (71.2)3097 (61.4)
Surgery<0.001
 Yes756 (61.1)4666 (92.5)
 No482 (38.9)378 (7.5)
Chemotherapy<0.001
 Yes884 (71.4)1768 (35.1)
 No or unknownb354 (28.6)3276 (64.9)

aMarital status included married (including common law), unmarried (including single, separated, divorced, widowed, or domestic partner), and unknown. bThis represents individuals in SEER database with chemotherapy data entered as “No or unknown” was given. It is not possible to separate the true “No” from “true unknown” in the data set. This variable was used because of its importance to survival, despite its limitations.