Factors associated with gastrointestinal stromal tumor rupture and pathological risk: A single-center retrospective study

Table 3 Logistic regression analysis of factors associated with the pathological risk grade of gastrointestinal stromal tumors

	B	S.E.	Wald	Sig.	Exp (B)	95%CI for Exp (B)
						Lower	Upper
Age ≥ 60 yr	0.44	0.90	0.24	0.63	1.55	0.27	9.07
Male gender	2.41	0.93	6.75	0.01	11.12	1.81	68.52
Tumor diameter ≥ 10 cm	3.13	1.20	6.83	0.01	22.96	2.19	240.93
Irregular shape	0.50	1.12	0.20	0.65	1.65	0.18	14.92
Internal necrosis	-1.40	1.21	1.35	0.25	0.25	0.02	2.62
Gas-liquid interface	0.50	1.26	0.16	0.69	1.64	0.14	19.48
Small bowel tumor	-0.15	0.87	0.03	0.87	0.87	0.16	4.76
50/HPF ≥ 5	-0.33	0.87	0.14	0.71	0.72	0.13	3.96
Ki-67 index ≥ 10	2.18	1.15	3.56	0.06	8.82	0.92	84.49

95%CI: 95% confidence interval; HPF: High-power field.