Research Article

Establishment and Verification of Synchronous Metastatic Nomogram for Gastrointestinal Stromal Tumors (GISTs): A Population-Based Analysis

Table 2

Adjusted odds ratio (OR) with 95% confidence interval (CI) and value for selected tumor and demographic characteristics as indicators of metastatic diseases among GIST patients.

CharacteristicsOR95% CI value

Gender0.124
 FemaleReference1.000
 Male1.1460.963-1.3630.124
Insurance0.094
 YesReference1.000
 No1.4750.944-2.3050.088
 NOS0.8780.706-1.0920.244
Tumor location0.001
 Large intestineReference1.000
 Peritoneum2.1851.156-4.1310.016
 Stomach1.8231.163-2.8550.009
 Small intestine2.5641.607-4.092<0.001
 Esophagus1.4450.293-7.1200.651
Pathologic grade<0.001
 IReference1.000
 II1.0710.646-1.7740.791
 III2.5181.495-4.2410.001
 IV2.7981.721-4.551<0.001
 NOS1.8591.247-2.7710.002
Tumor size (cm)<0.001
 ≤2Reference1.000
 2-52.3661.353-4.1380.003
 5-103.5162.040-6.060<0.001
 >105.3703.110-9.272<0.001
 NOS7.1244.005-12.671<0.001
Lymph nodes<0.001
 NegativeReference1.000
 Positive6.1534.531-8.355<0.001
 NOS3.9913.035-5.249<0.001
Extension<0.001
 MildReference1.000
 Grievous2.8862.368-3.518<0.001
 NOS3.9913.035-5.249<0.001
Mitotic count<0.001
 ≤5/50 HPFReference1.000
 >5/50 HPF1.5541.207-2.0000.001
 NOS1.7881.348-2.372<0.001

NOS: not otherwise specified.