Prognostic value of fibrinogen and D-dimer-fibrinogen ratio in resectable gastrointestinal stromal tumors

Table 6 Clinicopathologic characteristics of gastrointestinal stromal tumor patients grouped by preoperative D-dimer

Characteristic	Low D-dimer (< 1.24 mg/L)	High D-dimer (≥ 1.24 mg/L)	P value
Age (yr)			< 0.01
< 61	78	0
≥ 61	40	52
Gender			< 0.01
Male	91	0
Female	27	52
Location			< 0.01
Gastric	118	4
Nongastric	0	48
Tumor size (cm)			< 0.01
≤ 5	97	0
> 5	21	52
NIH risk category			< 0.01
Very low	18	0
Low	65	0
Intermediate	35	2
High	0	50
Mitotic index			< 0.01
≤ 5/50 HPFs	118	7
> 5/50 HPFs	0	45

NIH: National Institutes of Health; HPFs: High power fields.