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

Table 4 Logistic regression analysis of factors associated with rupture of gastrointestinal stromal tumors

	B	S.E.	Wald	Sig.	Exp (B)	95%CI for Exp (B)
						Lower	Upper
Age ≥ 60 yr	0.21	0.71	0.08	0.77	1.23	0.31	4.93
Male gender	-1.10	0.74	2.20	0.14	0.33	0.08	1.43
Tumor diameter ≥ 10 cm	2.27	0.77	8.72	< 0.01	9.67	2.15	43.56
Irregular shape	3.57	1.11	10.30	< 0.01	35.44	4.01	313.38
Internal necrosis	2.93	0.87	11.33	< 0.01	18.75	3.40	103.34
Gas-liquid interface	3.30	1.10	8.91	< 0.01	27.00	3.10	235.02
Small bowel tumor	-0.32	0.66	0.23	0.63	0.73	0.20	2.67
50/HPF ≥ 5	-0.84	0.85	0.97	0.33	0.43	0.08	2.29
Ki-67 index ≥ 10	1.49	0.71	4.36	0.04	4.43	1.10	17.92
High pathological risk grade	-1.31	0.74	3.12	0.08	0.27	0.06	1.16

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