[Retracted] CT Image Examination Based on Virtual Reality Analysis in Clinical Diagnosis of Gastrointestinal Stromal Tumors

Table 2

Multivariate COX regression analysis of postoperative survival rate of patients.

Influencing factors	value	Relative risk	95% confidence interval
Tumor size	0.009	1.434	0.928∼5.221
Complete resection	0.005	1.213	0.385∼2.237
Mitotic count	0.003	0.059	0.009∼0.380
Ki-67 index	0.645	1.546	0.243∼9.850